Engine
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Cometic - C9933 - Head Gasket - S&S Super Sidewinder Plus - +4.125" - .040"
Cometic
$61.90Cometic - C9933 - Head Gasket - S&S Super Sidewinder Plus - +4.125" - .040"FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMulti-Layer Steel (MLS)...$61.90 -
Cometic - C9936 - Base Gasket - S&S Super Sidewinder Plus - +4.125" - .020"
Cometic
$33.55Cometic - C9936 - Base Gasket - S&S Super Sidewinder Plus - +4.125" - .020"FeaturesHigh quality products for long-term reliabilityManufactured from premium fuel-resistant materialsViton gaskets feature a stainless steel core with a .001" thick coating of...$33.55 -
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 creep, crack or become brittleMulti-Layer Steel (MLS)...$61.90 -
Cometic - C9931 - Head Gasket - S&S Super Sidewinder Plus - +4.125" - .030"
Cometic
$61.90Cometic - C9931 - Head Gasket - S&S Super Sidewinder Plus - +4.125" - .030"FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMulti-Layer Steel (MLS)...$61.90 -
Cometic - C9930 - Head Gasket - S&S Super Sidewinder Plus - +4.125" - .027"
Cometic
$61.90Cometic - C9930 - Head Gasket - S&S Super Sidewinder Plus - +4.125" - .027"FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMulti-Layer Steel (MLS)...$61.90 -
Bassani Xhaust - 1802P - O2 Sensor Port Plugs - 18 mm
Bassani Exhaust
$16.95Bassani Xhaust - 1802P - O2 Sensor Port Plugs - 18 mmFeaturesAllow non-sensor HD models to run newer-style exhaust systems equipped with O2 sensor portsSimply screw into non-essential sensor portsSold in pairsMade in the U.S.A.Bassani Xhaust...$16.95 -
Bassani Xhaust - 102P2 - O2 Port Bung Adapter - 18 mm to 12 mm
Bassani Exhaust
$16.95Bassani 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, newer-model motorcyclesSold in pairsMade in the U.S.A...$16.95 -
Alloy Art - CRA-2 - Compression Release Adapter - 14 mm x 3/8"
Alloy Art
$25.95Alloy Art - CRA-2 - Compression Release Adapter - 14 mm x 3/8"FeaturesDesigned to be used in twin plug headsAccept .650”/10mm x 1.0 compression release valvesSold eachMade in the U.S.A.SpecsSize14 mm - 3/8''Riding StyleStreetTypeCompression...$25.95 -
Wiseco - 3497X - Ring Set
Wiseco
$49.95Wiseco - 3497X - Ring SetFeaturesInclude rings for one piston onlyWiseco rings fit only Wiseco pistons.SpecsBore Size Imperial3.498''Bore - Oversize+0,060''ModelX SeriesPiston Diameter Imperial3.498''Product NamePiston RingUnitsSetRiding StyleStreetRing...$49.95 -
Wiseco - K1684 - Piston Kit - +0.020" - 883 XL Bored to 1200 cc
Wiseco
$409.95Wiseco - K1684 - Piston Kit - +0.020" - 883 XL Bored to 1200 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$409.95 -
Wiseco - S534 - Wrist Pin
Wiseco
$29.99Wiseco - S534 - Wrist PinFeaturesWiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesSpecsLength Metric55.9 mmMaterialAluminumOutside Diameter Metric20 mmLength55,9...$29.99 -
Wiseco - K1716 - Piston Kit - +0.020" - Evolution Big Twin 1340 cc
Wiseco
$409.95Wiseco - K1716 - Piston Kit - +0.020" - Evolution Big Twin 1340 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$409.95 -
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 piston pinsIncludes X-Ring package (0.062" top ring, 0...$409.95 -
Wiseco - K1687 - Piston Kit - +0.020" - XL 1200
Wiseco
$409.95Wiseco - 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 pinsIncludes X-Ring package (0.062" top ring, 0.062"...$409.95 -
Wiseco - K1682 - Piston Kit - Standard - 883 XL Bored to 1200 cc
Wiseco
$409.95Wiseco - K1682 - Piston Kit - Standard - 883 XL Bored to 1200 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$409.95 -
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 chrome piston pinsIncludes X-Ring package (0.062" top...$409.95 -
Wiseco - K1668 - Piston Kit - +0.030" - Evolution Big Twin 1340 cc
Wiseco
$409.95Wiseco - K1668 - Piston Kit - +0.030" - Evolution Big Twin 1340 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$409.95 -
Wiseco - K1675 - Piston Kit - +0.005" - Evolution Big Twin 1340 cc
Wiseco
$409.95Wiseco - K1675 - Piston Kit - +0.005" - Evolution Big Twin 1340 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$409.95 -
Wiseco - K1643 - Piston Kit - +0.030" - Evolution Big Twin 1340 cc
Wiseco
$384.95Wiseco - K1643 - Piston Kit - +0.030" - Evolution Big Twin 1340 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$384.95 -
Wiseco - K1667 - Piston Kit - +0.020" - Evolution Big Twin 1340 cc
Wiseco
$409.95Wiseco - K1667 - Piston Kit - +0.020" - Evolution Big Twin 1340 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$409.95 -
Wiseco - K1666 - Piston Kit - +0.010" - Evolution Big Twin 1340 cc
Wiseco
$409.95Wiseco - K1666 - Piston Kit - +0.010" - Evolution Big Twin 1340 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$409.95 -
Wiseco - K1662 - Piston Kit - +0.020" - XL 1200 | Buell with OEM 1200 Heads
Wiseco
$409.95Wiseco - K1662 - Piston Kit - +0.020" - XL 1200 | Buell with OEM 1200 HeadsFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0...$409.95 -
Wiseco - K1660 - Piston Kit - Standard - XL 1200 | Buell with OEM 1200 Heads
Wiseco
$409.95Wiseco - K1660 - Piston Kit - Standard - XL 1200 | Buell with OEM 1200 HeadsFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0...$409.95 -
Wiseco - K1642 - Piston Kit - +0.020" - Evolution Big Twin 1340 cc
Wiseco
$384.95Wiseco - K1642 - Piston Kit - +0.020" - Evolution Big Twin 1340 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$384.95 -
Wiseco - K1655 - Piston Kit - Standard - 883 XL Bored to 1200 cc
Wiseco
$409.95Wiseco - K1655 - Piston Kit - Standard - 883 XL Bored to 1200 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$409.95 -
Wiseco - K1641 - Piston Kit - +0.010" - Evolution Big Twin 1340 cc
Wiseco
$384.95Wiseco - K1641 - Piston Kit - +0.010" - Evolution Big Twin 1340 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$384.95 -
Wiseco - K1640 - Piston Kit - Standard - Evolution Big Twin 1340 cc
Wiseco
$384.95Wiseco - K1640 - Piston Kit - Standard - Evolution Big Twin 1340 ccFeaturesForged from high-silicon aluminum alloy for maximum strength and dependabilityKit Includes pistons, rings, retainer clips and chrome piston pinsIncludes X-Ring package (0.062" top...$384.95 -
Wiseco - 3537X - Ring Set
Wiseco
$49.95Wiseco - 3537X - Ring SetFeaturesInclude rings for one piston onlyWiseco rings fit only Wiseco pistons.SpecsRiding StyleStreetProduct NamePiston RingModelX SeriesUnitsSetPiston Diameter Imperial3.538''Ring MaterialSteelBore - Oversize+0,040''Bore...$49.95 -
Wiseco - 3527X - Ring Set
Wiseco
$49.95Wiseco - 3527X - Ring SetFeaturesInclude rings for one piston onlyWiseco rings fit only Wiseco pistons.SpecsBore - Oversize+0,030''Riding StyleStreetPiston Diameter Imperial3.528''Ring MaterialSteelModelX SeriesUnitsSetProduct NamePiston RingBore...$49.95 -
Wiseco - 3517X - Ring Set
Wiseco
$49.95Wiseco - 3517X - Ring SetFeaturesInclude rings for one piston onlyWiseco rings fit only Wiseco pistons.SpecsBore - Oversize+0,020''Riding StyleStreetProduct NamePiston RingModelX SeriesUnitsSetRing MaterialSteelBore Oversize - Imperial+0.020''Piston...$49.95 -
Wiseco - 3507X - Ring Set
Wiseco
$49.95Wiseco - 3507X - Ring SetFeaturesInclude rings for one piston onlyWiseco rings fit only Wiseco pistons.SpecsModelX SeriesRing MaterialSteelUnitsSetProduct NamePiston RingBore Oversize - Imperial+0.010''Riding StyleStreetBore - Oversize+0,010''Piston...$49.95 -
Wiseco - 3504X - Ring Set
Wiseco
$49.95Wiseco - 3504X - Ring SetFeaturesInclude rings for one piston onlyWiseco rings fit only Wiseco pistons.SpecsBore - OversizeStandardRiding StyleStreetBore Oversize - ImperialStandardRing MaterialSteelUnitsSetPiston Diameter Imperial3.503''Product...$49.95 -
Wiseco - 3885VMF - Ring Set
Wiseco
$49.95Wiseco - 3885VMF - Ring SetFeaturesReplacement ring set for pistonsWiseco rings fit only Wiseco pistons.SpecsUnitsSetProduct NameRing SetRiding StyleStreetFitment2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF1999-2000 Harley-Davidson Dyna...$49.95 -
Wiseco - 3875VMF - Ring Set
Wiseco
$49.95Wiseco - 3875VMF - Ring SetFeaturesReplacement ring set for pistonsWiseco rings fit only Wiseco pistons.SpecsUnitsSetRiding StyleStreetProduct NameRing SetFitment2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF1999-2000 Harley-Davidson Dyna...$49.95 -
Wiseco - 4250VMF - Ring Set
Wiseco
$49.95Wiseco - 4250VMF - Ring SetFeaturesReplacement ring set for pistonsWiseco rings fit only Wiseco pistons.SpecsUnitsSetProduct NameRing SetRiding StyleStreetFitment2017-2021 Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE2018-2021 Harley-Davidson...$49.95 -
Wiseco - 4125VMF - Ring Set
Wiseco
$49.95Wiseco - 4125VMF - Ring SetFeaturesReplacement ring set for pistonsWiseco rings fit only Wiseco pistons.SpecsUnitsSetProduct NameRing SetRiding StyleStreetFitment2017-2021 Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE2018-2021 Harley-Davidson...$49.95 -
Wiseco - 4080GFX - Ring Set
Wiseco
$35.54Wiseco - 4080GFX - Ring SetFeaturesReplacement ring set for pistonsWiseco rings fit only Wiseco pistons.SpecsProduct NameRing SetRiding StyleStreetUnitsSetFitment2017-2021 Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE2018-2021 Harley-Davidson...$35.54 -
Wiseco - 3895VM - Piston Ring Set
Wiseco
$49.95Wiseco - 3895VM - Piston Ring SetFeaturesReplacement rings include rings for one piston onlyWiseco rings fit only Wiseco pistons.SpecsBore - Oversize+0,020''Bore Oversize - Imperial+0.020''Bore Size Imperial3.875''Riding StyleStreetModelVM SeriesProduct...$49.95 -
Wiseco - 3885VM - Piston Ring Set
Wiseco
$49.95Wiseco - 3885VM - Piston Ring SetFeaturesReplacement rings include rings for one piston onlyWiseco rings fit only Wiseco pistons.SpecsBore Oversize - Imperial+0.010''Bore Size Imperial3.875''Displacement95''Riding StyleStreetBore -...$49.95 -
Wiseco - 3880VM - Piston Ring Set
Wiseco
$49.95Wiseco - 3880VM - Piston Ring SetFeaturesReplacement rings include rings for one piston onlyWiseco rings fit only Wiseco pistons.SpecsBore Oversize - Imperial+0.005''Bore Size Imperial3.875''Displacement95''Ring MaterialSteelUnitsSetBore -...$49.95
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.