Engine
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Out of stock
Cometic - C10377 - Head Gasket - 4.250" - .040" - Center Cooled - MLS - M8
Cometic
$59.95Cometic - C10377 - Head Gasket - 4.250" - .040" - Center Cooled - MLS - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not...$59.95 -
Out of stock
Cometic - C9917 - Top End Gasket - 4" - S&S - Fits S&S Big Twin w/ 4.00" bore, S&S rocker box gaskets
Cometic
$142.75Cometic - C9917 - Top End Gasket - 4" - S&SFeaturesEST gasket kit includes embossed stainless steel head, base and rocker gaskets covered with a proprietary rubber materialMaterial allows heat to be...$142.75 -
Out of stock
Cometic - C9932 - Head Gasket - S&S Super Sidewinder Plus - +4.125" - .036"
Cometic
$61.90Cometic - C9932 - Head Gasket - S&S Super Sidewinder Plus - +4.125" - .036"FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not...$61.90 -
Out of stock
Bassani Xhaust - 1202P - O2 Sensor Port Plugs - 12 mm
Bassani Exhaust
$11.95Bassani Xhaust - 1202P - O2 Sensor Port Plugs - 12 mmFeaturesAllow non-sensor HD models to run newer-style exhaust systems equipped with O2 sensor portsSimply screw into non-essential sensor...$11.95 -
Out of stock
Bassani Xhaust - 102P2 - O2 Port Bung Adapter - 18 mm to 12 mm
Bassani Exhaust
$11.95Bassani Xhaust - 102P2 - O2 Port Bung Adapter - 18 mm to 12 mmFeaturesThreaded outer and inner adapters reduce O² sensor port from 18 mm to 12 mm allowing riders to use our exhaust pipes on select,...$11.95 -
Out of stock
Alloy Art - CRA-3 - Compression Release Adapter - 12 mm x 3/4"
Alloy Art
$20.95Alloy Art - CRA-3 - Compression Release Adapter - 12 mm x 3/4"FeaturesDesigned to be used in twin plug headsAccept .650”/10mm x 1.0 compression release valvesSold eachMade in the U.S.A.Specs$20.95 -
Out of stock10% OFF
Arlen Ness - 03-465 - Replacement Spring and Oil Ring Set
Arlen Ness
MSRP: $6.95Now: $6.26Was: $6.95Arlen Ness - 03-465 - Replacement Spring and Oil Ring SetFeaturesReplacement oil ring and spring for Arlen Ness re-usable oil filtersSpecsMSRP: $6.95Now: $6.26Was: $6.95 -
Out of stock
Wiseco - S534 - Wrist Pin
Wiseco
$25.95Wiseco - S534 - Wrist PinFeaturesWiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesSpecs$25.95 -
Out of stock
Wiseco - K1700 - Piston Kit - Standard - S1 Buell 1200 cc
Wiseco
$409.95Wiseco - K1700 - Piston Kit - Standard - S1 Buell 1200 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome...$409.95 -
Out of stock
Wiseco - K1687 - Piston Kit - +0.020" - XL 1200
Wiseco
$447.95Wiseco - K1687 - Piston Kit - +0.020" - XL 1200FeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston...$447.95 -
Out of stock
Wiseco - K1669 - Piston Kit - +0.040" - Evolution Big Twin 1340 cc
Wiseco
$409.95Wiseco - K1669 - Piston Kit - +0.040" - Evolution Big Twin 1340 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and...$409.95 -
Out of stock
Wiseco - 4080GFX - Ring Set
Wiseco
$35.54Wiseco - 4080GFX - Ring SetFeaturesReplacement ring set for pistonsWiseco rings fit only Wiseco pistons.Specs$35.54 -
Out of stock
Wiseco - 3880VM - Piston Ring Set
Wiseco
$49.95Wiseco - 3880VM - Piston Ring SetFeaturesReplacement rings include rings for one piston onlyWiseco rings fit only Wiseco pistons.Specs$49.95 -
Out of stock
Wiseco - 3880XK - Ring Set
Wiseco
$46.95Wiseco - 3880XK - Ring SetFeaturesReplacement rings include rings for one piston onlyWiseco rings fit only Wiseco pistons.Specs$46.95 -
Out of stock
Wiseco - K2805 - Piston Kit - M8
Wiseco
$576.95Wiseco - K2805 - Piston Kit - M8FeaturesFeature ArmorX™ piston coating for superior protection in extreme conditions and reduced wearArmorFit™ skirt coating auto-adjusts to the cylinder wall so...$576.95 -
Out of stock
Wiseco - K2801 - Piston Kit - M8
Wiseco
$524.95Wiseco - K2801 - Piston Kit - M8FeaturesFeature ArmorX™ piston coating for superior protection in extreme conditions and reduced wearArmorFit™ skirt coating auto-adjusts to the cylinder wall so...$524.95 -
Out of stock
Wiseco - K0213P3 - Tracker™ Series Piston Kit - 3.528" - 883 cc Bored to 1200 cc - +0.030" - 883 XL
Wiseco
$244.95Wiseco - K0213P3 - Tracker™ Series Piston Kit - 3.528" - 883 cc Bored to 1200 cc - +0.030" - 883 XLFeaturesForged piston crown with generous valve pockets for big valves and camsPrecision-fit rings...$244.95 -
Out of stock
Wiseco - K0213P2 - Tracker™ Series Piston Kit - 3.518" - 883 cc Bored to 1200 cc - +0.020" - 883 XL
Wiseco
$268.95Wiseco - K0213P2 - Tracker™ Series Piston Kit - 3.518" - 883 cc Bored to 1200 cc - +0.020" - 883 XLFeaturesForged piston crown with generous valve pockets for big valves and camsPrecision-fit rings...$268.95 -
Out of stock
Wiseco - K2787 - Piston Kit - M8
Wiseco
$524.95Wiseco - K2787 - Piston Kit - M8FeaturesFeature ArmorX™ piston coating for superior protection in extreme conditions and reduced wearArmorFit™ skirt coating auto-adjusts to the cylinder wall so...$524.95 -
Out of stock
Wiseco - K2784 - Piston Kit - M8
Wiseco
$524.95Wiseco - K2784 - Piston Kit - M8FeaturesFeature ArmorX™ piston coating for superior protection in extreme conditions and reduced wearArmorFit™ skirt coating auto-adjusts to the cylinder wall so...$524.95 -
Out of stock
Wiseco - VT2721 - Piston Kit with Gasket - +0.010" - Twin Cam 88" Bored to 1550 cc (95 Cubic Inch)
Wiseco
$659.95Wiseco - VT2721 - Piston Kit with Gasket - +0.010" - Twin Cam 88" Bored to 1550 cc (95 Cubic Inch)FeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityTwin Cam...$659.95 -
Out of stock
Wiseco - VT2711 - Piston Kit with Gasket - +0.010" - Twin Cam 88" Bored to 1550 cc (95 Cubic Inch)
Wiseco
$659.95Wiseco - VT2711 - Piston Kit with Gasket - +0.010" - Twin Cam 88" Bored to 1550 cc (95 Cubic Inch)FeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityTwin Cam...$659.95 -
Out of stock
Wiseco - K1748 - Piston Kit - +0.020" - XL 1200
Wiseco
$424.95Wiseco - K1748 - Piston Kit - +0.020" - XL 1200FeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston...$424.95 -
Out of stock
Wiseco - K1746 - Piston Kit - Standard - XL 1200
Wiseco
$466.95Wiseco - K1746 - Piston Kit - Standard - XL 1200FeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston...$466.95 -
Out of stock
Wiseco - K1701 - Piston Kit - +0.010" - S1 Buell 1200 cc
Wiseco
$409.95Wiseco - K1701 - Piston Kit - +0.010" - S1 Buell 1200 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome...$409.95 -
Out of stock
Wiseco - K1688 - Piston Kit - +0.030" - XL 1200
Wiseco
$409.95Wiseco - K1688 - Piston Kit - +0.030" - XL 1200FeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston...$409.95 -
Out of stock
Wiseco - K1661 - Piston Kit - +0.010" - XL 1200 | Buell with OEM 1200 Heads
Wiseco
$409.95Wiseco - K1661 - Piston Kit - +0.010" - XL 1200 | Buell with OEM 1200 HeadsFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer...$409.95 -
Out of stock
Tp Engineering - 45-0245-23 - Pro Series Rocker Arms
Tp Engineering
$732.95Tp Engineering - 45-0245-23 - Pro Series Rocker ArmsFeaturesPremium rocker arms are forged from 4140 steel and CNC-machined for a perfect fitFeature a roller tip for less drag and a solid bushing for...$732.95 -
Out of stock
Tp Engineering - 45-0151-12 - Oil Pump Big Twin
Tp Engineering
$524.95Tp Engineering - 45-0151-12 - Oil Pump Big TwinFeaturesConstructed of high-quality billet aluminum with a polished finishUnique three-valve system delivers 8-10 lb. of oil pressure to the crankshaft...$524.95 -
Out of stock
Tp Engineering - 45-0150-12 - Oil Pump Big Twin
Tp Engineering
$524.95Tp Engineering - 45-0150-12 - Oil Pump Big TwinFeaturesConstructed of high-quality billet aluminum with a polished finishUnique three-valve system delivers 8-10 lb. of oil pressure to the crankshaft...$524.95 -
Out of stock
Trask - TM-017R - Assault Series Cam Cover - Raw Machined - Twin Cam
Trask Performance
$429.95Trask - TM-017R - Assault Series Cam Cover - Raw Machined - Twin CamFeaturesTransparent for viewing internal engine componentsMatches Assault series of air cleanersMade in the USASpecs$429.95 -
Out of stock
Tp Engineering - 45-7412-10 - Top End Gasket Kit - 4-1/8"
Tp Engineering
$156.95Tp Engineering - 45-7412-10 - Top End Gasket Kit - 4-1/8"FeaturesGasket sets unique to TP motors; no other gasket set has all the gaskets to rebuild a TP motorLower end gasket sets include gaskets...$156.95 -
Out of stock
Tp Engineering - 45-7402-10 - Top End Gasket Kit - 4.00"
Tp Engineering
$142.95Tp Engineering - 45-7402-10 - Top End Gasket Kit - 4.00"FeaturesGasket sets unique to TP motors; no other gasket set has all the gaskets to rebuild a TP motorLower end gasket sets include gaskets and...$142.95 -
Out of stock
Tp Engineering - 45-7411-10 - Bottom End Gasket Kit - 4-1/8"
Tp Engineering
$84.95Tp Engineering - 45-7411-10 - Bottom End Gasket Kit - 4-1/8"FeaturesGasket sets unique to TP motors; no other gasket set has all the gaskets to rebuild a TP motorLower end gasket sets include gaskets...$84.95 -
Out of stock
Tp Engineering - 45-7024-12 - Oil Pump Gasket Kit - EVO Big Twin
Tp Engineering
$24.95Tp Engineering - 45-7024-12 - Oil Pump Gasket Kit - EVO Big TwinFeaturesReplacement gasket kit includes cover gasket, body gasket, snap rings and keysSpecs$24.95 -
Out of stock
Tp Engineering - 45-7027-12 - Oil Pump Gasket Kit - Big Twin
Tp Engineering
$24.95Tp Engineering - 45-7027-12 - Oil Pump Gasket Kit - Big TwinFeaturesReplacement gasket kit includes cover gasket, body gasket, snap rings and keysSpecs$24.95 -
Out of stock
Tp Engineering - 45-0154-12 - Oil Pump Assembly - Big Twin
Tp Engineering
$546.95Tp Engineering - 45-0154-12 - Oil Pump Assembly - Big TwinFeaturesFilter your oil before it enters your motorComplete with fittings that send oil to the filter before pumping it through your...$546.95 -
Out of stock
Ultracool - SMSP-1C - Side Mount Oil Cooler Kit - Chrome - Sportster
Ultracool
$549.99Ultracool - SMSP-1C - Side Mount Oil Cooler Kit - Chrome - SportsterFeaturesOil adapter and thermal switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches...$549.99 -
Out of stock
S&S Cycle - 92-1201 - Piston Kit - For 95" Big Bore Kit - 3.875" - +0.010"
S&S Cycle
$530.95S&S Cycle - 92-1201 - Piston Kit - For 95" Big Bore Kit - 3.875" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in...$530.95 -
Out of stock
S&S Cycle - 33-5080 - 631 Cam - Evolution
S&S Cycle
MSRP: $299.95$249.95S&S Cycle - 33-5080 - 631 Cam - EvolutionFeaturesS&S Cams are tested on the dyno, street and track before being offered to the publicWith hundreds of hours of testing on each cam, you know you are...MSRP: $299.95$249.95
Harley Engine
At Deadbeat Customs, we offer a wide selection of Harley engine parts built for performance, reliability, and long-lasting power. Whether you're rebuilding a vintage motor or upgrading a modern setup, we’ve got the top-end and bottom-end components you need to get the job done right.
We carry engine parts for a wide range of Harley Davidson models, including Dyna, Sportster, FXR, Touring, Softail, Shovelhead, and Panhead. From the classic Evo 1340 and Shovelhead to Twin Cam 88/96/103/110, and the modern Milwaukee-Eight 107/114/117, our catalog covers nearly every era of Harley engine design.
Choose from trusted brands like S&S Cycle, Fueling, Vance & Hines, and more—known for producing high-quality components that meet or exceed OEM standards.
Explore our full collection of Harley engine parts today and build your motor with confidence—because whether it’s vintage or modern, your Harley deserves the best from the inside out.