{"title":"pushrods \u0026 parts","description":null,"products":[{"product_id":"pushrod-covers-xl","title":"Pushrod Covers - XL","description":"Complete kit includes four adapter rings, four inner tubes, four bottom tubes, four clips, four spring covers, four springs, four spring washers and all seals. For use with adjustable pushrods. Made in the U.S.A..","brand":"Colony","offers":[{"title":"Default Title","offer_id":44157026598957,"sku":"FHDS_2140-40","price":155.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193829_0.png?v=1757533402"},{"product_id":"pushrod-kit-74-big-twin","title":"Pushrod Kit - 74\" - Big Twin","description":"Aircraft-grade aluminum tubing. Heat-treated steel tips. Fits stock stroke lengths. Made in the U.S.A..","brand":"Colony","offers":[{"title":"Default Title","offer_id":44157048717357,"sku":"FHDS_7122-4","price":57.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS189847_0.png?v=1757533861"},{"product_id":"pushrod-kit-xl","title":"Pushrod Kit - XL","description":"Aircraft-grade aluminum tubing. Heat-treated steel tips. Fits stock stroke lengths. Made in the U.S.A..","brand":"Colony","offers":[{"title":"Default Title","offer_id":44157049012269,"sku":"FHDS_7123-4","price":57.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS189846_0.png?v=1757533887"},{"product_id":"pushrod-kit-shovelhead-evolution-big-twin","title":"Pushrod Kit - Shovelhead\/Evolution\/Big Twin","description":"These kits contain exact OEM duplicate parts for proper fitment. Upper cover kit contains chrome clips, chrome cups, springs, rubber seals and steel washers for four pushrod tubes. Lower cover kit contains four chrome tubes, steel washers and O-rings. Inner cover kit contains four aluminum inner covers. Kits sold separately. Made in the U.S.A..","brand":"Colony","offers":[{"title":"Default Title","offer_id":44157052354605,"sku":"FHDS_7508-20","price":55.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193766_0.png?v=1757534003"},{"product_id":"hydraulic-pushrods-big-twin","title":"Hydraulic Pushrods - Big Twin","description":"Aircraft-grade aluminum tubing. Heat-treated steel tips. Fits stock stroke lengths. Made in the U.S.A..","brand":"Colony","offers":[{"title":"Default Title","offer_id":44157052452909,"sku":"FHDS_7515-4","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS189849_0.png?v=1757534009"},{"product_id":"hydraulic-pushrods-big-twin-1","title":"Hydraulic Pushrods - Big Twin","description":"Aircraft-grade aluminum tubing. Heat-treated steel tips. Fits stock stroke lengths. Made in the U.S.A..","brand":"Colony","offers":[{"title":"Default Title","offer_id":44157052583981,"sku":"FHDS_7516-4","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS189848_0.png?v=1757534016"},{"product_id":"tappet-adjuster-locknuts","title":"Tappet Adjuster Locknuts","description":"Split locknuts with 9\/32\"-32 thread. Made in the U.S.A..","brand":"Colony","offers":[{"title":"Default Title","offer_id":44300466520109,"sku":"FHDS_8780-4","price":12.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS189844_0.png?v=1762042158"},{"product_id":"pushrod-kit-big-twin","title":"Pushrod Kit - Big Twin","description":"These kits contain exact OEM duplicate parts for proper fitment. Upper cover kit contains chrome clips, chrome cups, springs, rubber seals and steel washers for four pushrod tubes. Lower cover kit contains four chrome tubes, steel washers and O-rings. Inner cover kit contains four aluminum inner covers. Kits sold separately. Made in the U.S.A..","brand":"Colony","offers":[{"title":"Default Title","offer_id":44300472942637,"sku":"FHDS_9202-12","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193767_0.png?v=1762042498"},{"product_id":"pushrod-kit-big-twin-1","title":"Pushrod Kit - Big Twin","description":"These kits contain exact OEM duplicate parts for proper fitment. Upper cover kit contains chrome clips, chrome cups, springs, rubber seals and steel washers for four pushrod tubes. Lower cover kit contains four chrome tubes, steel washers and O-rings. Inner cover kit contains four aluminum inner covers. Kits sold separately. Made in the U.S.A..","brand":"Colony","offers":[{"title":"Default Title","offer_id":44300473172013,"sku":"FHDS_9213-4","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193768_0.png?v=1762042519"},{"product_id":"pushrod-tube-kit-99-17-tc","title":"PUSHROD TUBE KIT 99-17 TC","description":"This kit is a must when installing adjustable pushrods in a Twin Cam motor. Includes four short lower tubes and clips, which allow easy access to the adjuster nut and lock nut. Requires the use of OEM inner tubes, springs, spring cups, washers and O-rings. Made in the U.S.A..","brand":"Colony","offers":[{"title":"Default Title","offer_id":44300481822765,"sku":"FHDS_DS193758","price":85.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193758_0.png?v=1762043012"},{"product_id":"chromoly-steel-pushrods-big-twin","title":"Chromoly Steel Pushrods - Big Twin","description":"Pushrods fit Shovel engines using stock diameter tubing so there is no cover tube interference. For stock stroke applications. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385976582189,"sku":"BNWW_240030","price":187.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/09280026_0.png?v=1764695829"},{"product_id":"high-lift-valve-springs","title":"High-Lift Valve Springs","description":"Provide correct spring force for any of our performance cams when used in 74\" and 80\" motors. Max lift; installation does not require complicated machining but does require proper valvetrain setup. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385980514349,"sku":"BNWW_272110","price":67.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS199736_0.png?v=1764695995"},{"product_id":"high-lift-upper-spring-collars","title":"High-Lift Upper Spring Collars","description":"Cams with .600 lift can easily be accommodated when used with high-lift springs. Made from T-6 aluminum, collars are lightweight, hard-coated and very strong. For 74\" and 80\" motors. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385980612653,"sku":"BNWW_271100","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS199735_0.png?v=1764696002"},{"product_id":"valve-spring-collars","title":"Valve Spring Collars","description":"Similar to stock 80-style parts, but lower profile for easier installation of higher lift cams. Required parts if you use 80-style valve guides that utilize \"K\" line stem seals. Heat-treated steel. For 74\" and 80\" motors. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385980710957,"sku":"BNWW_273120","price":51.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS199738_0.png?v=1764696009"},{"product_id":"low-profile-lower-spring-collars-xl","title":"Low-Profile Lower Spring Collars - XL","description":"Similar to the late H-D collars. Will provide .060\" more spring travel than stock collars. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385980776493,"sku":"BNWW_277160","price":37.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS199727_0.png?v=1764696016"},{"product_id":"medium-lift-upper-spring-collar-set","title":"Medium-Lift Upper Spring Collar Set","description":"Intended to work with stock springs and add approximately .060\" spring travel with no other modifications on 66-84 74\" and 80\" motors. The easy way to install B or #2 cams in stock heads. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385980842029,"sku":"BNWW_276150","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS199737_0.png?v=1764696022"},{"product_id":"pushrod-kit-xl-1","title":"Pushrod Kit - XL","description":"Super-light, heavy-duty fixed-length pushrods. Sold in sets of four to replace OE; two shorter rods for intake, two longer rods for exhaust. Rocker boxes must be removed for installation. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385989525549,"sku":"BNWW_292025","price":131.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193123_0.png?v=1764696331"},{"product_id":"adjustable-pushrods-m8","title":"Adjustable Pushrods - M8","description":"Andrews completely adjustable pushrods easily replace the nonadjustable stock pushrods on Evolution engines. Rocker boxes must be removed for installation. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385989820461,"sku":"BNWW_292017","price":300.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/09280095_0.png?v=1764696338"},{"product_id":"adjustable-pushrods-steel-xl","title":"Adjustable Pushrods - Steel - XL","description":"Chromoly steel for maximum strength. Rocker boxes must be removed for installation. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385990606893,"sku":"BNWW_292085","price":234.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/09280021_0.png?v=1764696351"},{"product_id":"pushrod-kit-xl-2","title":"Pushrod Kit - XL","description":"Super-light, heavy-duty fixed-length pushrods. Sold in sets of four to replace OE; two shorter rods for intake, two longer rods for exhaust. Rocker boxes must be removed for installation. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385992114221,"sku":"BNWW_292095","price":151.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193111_0.png?v=1764696366"},{"product_id":"adjustable-pushrods-evolution","title":"Adjustable Pushrods - Evolution","description":"Andrews completely adjustable pushrods easily replace the nonadjustable stock pushrods on Evolution engines. Rocker boxes must be removed for installation. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385992245293,"sku":"BNWW_292110","price":234.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193124_0.png?v=1764696381"},{"product_id":"adjustable-pushrods-big-twin","title":"Adjustable Pushrods - Big Twin","description":"Andrews completely adjustable pushrods easily replace the nonadjustable stock pushrods on Evolution engines. Rocker boxes must be removed for installation. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385992310829,"sku":"BNWW_292140","price":237.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193112_0.png?v=1764696388"},{"product_id":"high-lift-springs","title":"High-Lift Springs","description":"Accommodates cam lifts of .550\"+. Installation does not require machining of heads. Kit includes four inner and four outer springs. For use with titanium upper-spring collars. Collars sold separately. Made in the U.S.A..","brand":"Andrews","offers":[{"title":"Default Title","offer_id":44385992638509,"sku":"BNWW_294150","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS199739_0.png?v=1764696409"},{"product_id":"pushrod-cover-kit-chrome","title":"Pushrod Cover Kit - Chrome","description":"Stock height. Kit includes top and bottom covers, cover caps, cover springs, and spring washers.","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":44419506176045,"sku":"FJHF_106-1340","price":193.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/09280122_0.png?v=1765747545"},{"product_id":"quickee-pushrod-kit-with-chrome-covers-twin-cam","title":"Quickee Pushrod Kit with Chrome Covers - Twin Cam","description":"Kit includes four S\u0026amp;S Quickee pushrods, four pushrod covers and O-rings. Pushrods are manufactured from chromoly steel for superior strength. Pushrod covers have a chrome-plated finish. Made in the U.S.A.. Kit does not require rocker box removal..","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":44419514269741,"sku":"FJHF_106-6051","price":309.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/09280023_0.png?v=1765748100"},{"product_id":"rocker-arms-big-twin-xl","title":"Rocker Arms - Big Twin\/XL","description":"The lightest rocker arm available, but still has superior strength characteristics due to its design. The strength of 660 bronze bushings and bearing-grade steel for the roller tip. Extensively tested under extreme conditions to ensure durability in your engine. Will accept cams with up to .700\" lift at a ratio of 1.625 (stock). Made in the U.S.A.. Twin Cam rocker boxes may need to be clearanced..","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588315312173,"sku":"FHRD_1045RR","price":959.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193850_0.png?v=1770377726"},{"product_id":"valve-keepers-big-twin","title":"Valve Keepers - Big Twin","description":"Made from the highest grade materials and heat-treated to JIMS strict standards. Feature a 10° lock angle. Work well with JIMS titanium valve spring retainers. Made in the U.S.A..","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588316131373,"sku":"FHRD_1370","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS199555_0.png?v=1770377796"},{"product_id":"rocker-arm-shaft-evolution-twin-cam","title":"Rocker Arm Shaft - Evolution\/Twin Cam","description":"Made in the U.S.A..","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588318228525,"sku":"FHRD_17611-83","price":51.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193820_0.png?v=1770377969"},{"product_id":"rocker-arm-shaft-big-twin","title":"Rocker Arm Shaft - Big Twin","description":"Made in the U.S.A..","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588318359597,"sku":"FHRD_17611-66B","price":111.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS193819_0.png?v=1770377983"},{"product_id":"hydrosolid-tappet","title":"Hydrosolid Tappet","description":"Perform like a hydraulic tappet up to 5500 rpm, then turn into a solid tappet. When they turn into solid tappets, it adds approximately three to six more usable horsepower. Prevent hydraulic pump at high rpms. Made in the U.S.A.. Require the use of adjustable pushrods..","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588318490669,"sku":"FHRD_1800","price":163.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194342_0.png?v=1770377997"},{"product_id":"hydrosolid-tappet-xl","title":"Hydrosolid Tappet - XL","description":"Perform like a hydraulic tappet up to 5500 rpm, then turn into a solid tappet. When they turn into solid tappets, it adds approximately three to six more usable horsepower. Prevent hydraulic pump at high rpms. Made in the U.S.A.. Require the use of adjustable pushrods..","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588318621741,"sku":"FHRD_1803","price":170.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194347_0.png?v=1770378005"},{"product_id":"tappet-roller-big-twin","title":"Tappet Roller - Big Twin","description":"Made from 52100 bearing material. Includes 4340 chromoly axle. Made in the U.S.A..","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588320391213,"sku":"FHRD_18534-29A","price":42.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS197020_0.png?v=1770378060"},{"product_id":"large-axle-tappet-evolution","title":"Large Axle Tappet - Evolution","description":"Micro-finish bore allows a running fit of .0002\". Big Axle™ rollers are designed around three working parts. The outer wheel\/roller has a 27% greater wall size - less harmonic distortion for better tracking of cam lobe. Pin bearings are decreased in size by 12%, which increases rpm for more precise tracking. Axle size is increased 36% and doubles as the inner race, so the pin bearing and complete roller assembly now rotate around the axle instead of an inner race, eliminating all possible movement in and around the axle. Made in the U.S.A..","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588324421677,"sku":"FHRD_2456-1","price":146.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194107_0.png?v=1770378330"},{"product_id":"hydraulic-tappet-big-twin","title":"Hydraulic Tappet - Big Twin","description":"These tappets will run in cast iron or aluminum tappet blocks. Recommend fitting the tappets to the blocks with a clearance of .0007\" to .0012\". Produced from billet bearing steel. A true center-line for roller life and exact cam timing. State of the art pushrod seat, machined with the same segmented parabolic cup as the JIMS® roller rockers. Hand fit hydraulic unit to a running fit of .0002\", with ultra precision air gauging system.","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588324683821,"sku":"FHRD_2459-1","price":172.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194271_0.png?v=1770378358"},{"product_id":"hydraulic-tappet-big-twin-1","title":"Hydraulic Tappet - Big Twin","description":"These tappets will run in cast iron or aluminum tappet blocks. Recommend fitting the tappets to the blocks with a clearance of .0007\" to .0012\". Produced from billet bearing steel. A true center-line for roller life and exact cam timing. State of the art pushrod seat, machined with the same segmented parabolic cup as the JIMS® roller rockers. Hand fit hydraulic unit to a running fit of .0002\", with ultra precision air gauging system.","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588324749357,"sku":"FHRD_2460-1","price":178.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194367_0.png?v=1770378365"},{"product_id":"hydraulic-tappet-big-twin-2","title":"Hydraulic Tappet - Big Twin","description":"These tappets will run in cast iron or aluminum tappet blocks. Recommend fitting the tappets to the blocks with a clearance of .0007\" to .0012\". Produced from billet bearing steel. A true center-line for roller life and exact cam timing. State of the art pushrod seat, machined with the same segmented parabolic cup as the JIMS® roller rockers. Hand fit hydraulic unit to a running fit of .0002\", with ultra precision air gauging system.","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588324814893,"sku":"FHRD_2461-1","price":178.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194275_0.png?v=1770378372"},{"product_id":"standard-hydraulic-tappet-big-twin","title":"Standard Hydraulic Tappet - Big Twin","description":"These tappets will run in cast iron or aluminum tappet blocks. Recommend fitting the tappets to the blocks with a clearance of .0007\" to .0012\". Produced from billet bearing steel. A true center-line for roller life and exact cam timing. State of the art pushrod seat, machined with the same segmented parabolic cup as the JIMS® roller rockers. Hand fit hydraulic unit to a running fit of .0002\", with ultra precision air gauging system.","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588324880429,"sku":"FHRD_2462-1","price":116.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194369_0.png?v=1770378379"},{"product_id":"standard-hydraulic-tappet-big-twin-1","title":"Standard Hydraulic Tappet - Big Twin","description":"These tappets will run in cast iron or aluminum tappet blocks. Recommend fitting the tappets to the blocks with a clearance of .0007\" to .0012\". Produced from billet bearing steel. A true center-line for roller life and exact cam timing. State of the art pushrod seat, machined with the same segmented parabolic cup as the JIMS® roller rockers. Hand fit hydraulic unit to a running fit of .0002\", with ultra precision air gauging system.","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588324945965,"sku":"FHRD_2463-1","price":120.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194370_0.png?v=1770378386"},{"product_id":"standard-hydraulic-tappet-big-twin-2","title":"Standard Hydraulic Tappet - Big Twin","description":"These tappets will run in cast iron or aluminum tappet blocks. Recommend fitting the tappets to the blocks with a clearance of .0007\" to .0012\". Produced from billet bearing steel. A true center-line for roller life and exact cam timing. State of the art pushrod seat, machined with the same segmented parabolic cup as the JIMS® roller rockers. Hand fit hydraulic unit to a running fit of .0002\", with ultra precision air gauging system.","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588325142573,"sku":"FHRD_2464-1","price":120.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194371_0.png?v=1770378392"},{"product_id":"pinion-spacer","title":"Pinion Spacer","description":"Made in the U.S.A..","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588325208109,"sku":"FHRD_24703-54B","price":13.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194341_0.png?v=1770378399"},{"product_id":"tappet-standard-xl","title":"Tappet - Standard - XL","description":"Standard solid rollers are designed around three working parts. The outer wheel\/roller has a 27% greater wall size - less harmonic distortion for better tracking of cam lobe. Pin bearings are decreased in size by 12%, which increases rpm for more precise tracking. Axle size is increased 36% and doubles as the inner race, so the pin bearing and complete roller assembly now rotates around the axle instead of an inner race, eliminating all possible movement in and around the axle. Made in the U.S.A..","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588325306413,"sku":"FHRD_2471-1","price":138.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194276_0.png?v=1770378406"},{"product_id":"tappet-standard-solid-big-twin","title":"Tappet - Standard Solid - Big Twin","description":"These tappets will run in cast iron or aluminum tappet blocks. Recommend fitting the tappets to the blocks with a clearance of .0007\" to .0012\". Produced from billet bearing steel. A true center-line for roller life and exact cam timing. State of the art pushrod seat, machined with the same segmented parabolic cup as the JIMS® roller rockers. Hand fit hydraulic unit to a running fit of .0002\", with ultra precision air gauging system.","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588325371949,"sku":"FHRD_2474-1","price":140.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194272_0.png?v=1770378413"},{"product_id":"tappet-005-xl","title":"Tappet - +.005 - XL","description":"Standard solid rollers are designed around three working parts. The outer wheel\/roller has a 27% greater wall size - less harmonic distortion for better tracking of cam lobe. Pin bearings are decreased in size by 12%, which increases rpm for more precise tracking. 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Hand fit hydraulic unit to a running fit of .0002\", with ultra precision air gauging system.","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588325503021,"sku":"FHRD_2475-1","price":144.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/DS194373_0.png?v=1770378427"},{"product_id":"tappet-standard-solid-big-twin-1","title":"Tappet - Standard Solid - Big Twin","description":"These tappets will run in cast iron or aluminum tappet blocks. Recommend fitting the tappets to the blocks with a clearance of .0007\" to .0012\". Produced from billet bearing steel. A true center-line for roller life and exact cam timing. State of the art pushrod seat, machined with the same segmented parabolic cup as the JIMS® roller rockers. 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