{"title":"Engine \u0026 Drivetrain","description":"\u003cp\u003eEngine and drivetrain parts for vintage Harley-Davidson motors — pistons, oil pumps, clutch hubs, primary and transmission pieces for Shovelhead, Evo and Ironhead builds. Genuine OEM, NOS in original packaging, and quality aftermarket like Drag Specialties. Fitment years and part numbers are listed on every product. Also see \u003ca href=\"\/collections\/controls-electrical\"\u003eControls \u0026amp; Electrical\u003c\/a\u003e and \u003ca href=\"\/collections\/shovelhead-parts\"\u003eShovelhead parts\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"drag-specialties-750701-piston-set-1200cc-010-8-5-1-harley-shovelhead-nos","title":"Drag Specialties 750701 Piston Set 1200cc +.010 8.5:1 Harley Shovelhead NOS","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eUp for sale is a Drag Specialties piston set, part number 750701 (full number 750701-BX-LB1 \/ DS-750701), for the Harley-Davidson 74 cubic inch \/ 1200cc big twin engine. This is a complete pair — front and rear pistons.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eSpecs:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e3.447\" bore — 3-7\/16\" standard at +0.010\" oversize (common first rebore)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e8.5:1 high compression — a mild performance step up over stock\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSet includes both pistons, both wrist pins, circlips, and both ring sets (still sealed in the original wax-paper packets, marked F and R), plus the factory ring-installation instruction sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eFitment: Harley-Davidson Big Twin, 1948–1980 — Panhead and Shovelhead FL\/FLH (Hydra-Glide, Duo-Glide, Electra Glide) as well as Super Glide and Low Rider models. Please verify your engine has been (or will be) bored to +0.010\" before purchasing.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eCondition: New old stock. These have never been installed — skirts are clean and the rings remain factory-sealed. As is normal for aged NOS aluminum pistons, there is some light surface oxidation\/storage staining around the ring lands. This is cosmetic shelf wear and does not affect use. The retail box shows age and shelf wear.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eNot affiliated with or endorsed by Harley-Davidson; all trademarks belong to their respective owners. Vintage engine part — please confirm fitment and bore size for your build. Any questions, message me before buying.\u003c\/p\u003e","brand":"Harley-Davidson","offers":[{"title":"Default Title","offer_id":53603768303800,"sku":"HPC-014","price":100.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/9265\/9640\/files\/IMG_5136.jpg?v=1781806434"},{"product_id":"drag-specialties-daytona-oil-pump-harley-big-twin-shovelhead-evo-1973-1991-nib","title":"Drag Specialties Daytona Oil Pump Harley Big Twin Shovelhead Evo 1973-1991 NIB","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eBrand new, never installed Drag Specialties \/ Daytona oil pump assembly, PN 0932-0108. OE-style replacement for worn or damaged pumps. Replaces Harley-Davidson part #26190-73.\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHigh-quality cast aluminum pump body with steel gears and shaft\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRaw cast aluminum finish\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eGaskets and seals included (mounting hardware not included)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eComplete kit with instruction sheet, as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eFits Harley-Davidson Big Twin (Shovelhead \u0026amp; Evolution) 1973–1991\u003c\/strong\u003e, including FL\/FLH\/FLHT\/FLHTC, FLT\/FLTC, FX\/FXE\/FXR, FLST\/FLSTC\/FLSTF and more. \u003cem\u003eNote: 1973–1980 models may require drilling (drilling jig sold separately).\u003c\/em\u003e Please confirm fitment for your specific year\/model before purchasing.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eShips fast and packed securely. This is an aftermarket replacement part. Not affiliated with, sponsored by, or endorsed by Harley-Davidson Motor Company; all trademarks belong to their respective owners.\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":53603953868984,"sku":"HPC-017","price":243.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/9265\/9640\/files\/IMG_5155.jpg?v=1781810981"},{"product_id":"drag-specialties-inner-clutch-hub-harley-big-twin-evo-1990-1997-37550-90a-nib","title":"Drag Specialties Inner Clutch Hub Harley Big Twin Evo 1990-1997 37550-90A NIB","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eBrand new in box Drag Specialties inner clutch hub, PN DS-195002. OE-style replacement that replaces Harley-Davidson #37550-90A.\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eImproved inner clutch hub with reinforced insert\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAccepts all OEM clutch components\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHigh-quality replacement, meets or exceeds OE specs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eFits 1990–1997 Harley-Davidson Big Twin (Evolution) — Dyna, Softail, Touring\/FLT and FXR models.\u003c\/strong\u003e Please confirm fitment for your specific year\/model before purchasing.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eNew old stock — box shows shelf wear, part is unused and as pictured. This is an aftermarket replacement part. Not affiliated with, sponsored by, or endorsed by Harley-Davidson Motor Company; all trademarks belong to their respective owners.\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":53604033626296,"sku":"HPC-018","price":115.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/9265\/9640\/files\/IMG_5158.jpg?v=1781812412"}],"url":"https:\/\/harleypartsdirect.com\/collections\/engine-drivetrain.oembed","provider":"Harley Parts Direct","version":"1.0","type":"link"}