Engine
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Out of stock
V-Twin - 11-1547 - 1936 Knucklehead Rocker Arm Set
V-Twin Mfg
$776.16V-Twin - 11-1547 - 1936 Knucklehead Rocker Arm SetDescription1936 Knucklehead rocker arm set is nickel plated and is for use with exposed rocker arms on 1936-1937 EL models only.Buttons are...$776.16 -
Out of stock
V-Twin - 11-1545 - 45 inch DL Intake Valve - Fits 1929-1931 Harley-Davidson DL
V-Twin Mfg
$54.9645" DL intake valve. Fits:DL 1929-1931Additional Information OEM No.163-29 UOM1 - EA <$54.96 -
Out of stock
V-Twin - 11-1544 - 45 inch DL Exhaust Valve - Fits 1929-1931 Harley-Davidson DL
V-Twin Mfg
$54.9645" DL exhaust valve. Fits:DL 1929-1931Additional Information OEM No.165-29 UOM1 - EA$54.96 -
Out of stock
V-Twin - 11-1543 - Valve Keeper Pins
Eastern Motorcycle Parts
MSRP: $37.35$36.60V-Twin - 11-1543 - Valve Keeper PinsDescriptionValve keeper pins for use in slotted valves.Sold as a pack of 5. Fits:JD 1915-1929DL 1929-1935Additional InformationMSRP: $37.35$36.60 -
Out of stock
V-Twin - 11-1484 - Full Finned Panhead Rocker Box Cover Set - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
$508.06Full finned Panhead rocker box cover set features a polished finish.Full finned Panhead valve covers are manufactured from a billet of aluminum and forged to shape the shot peened for a natural...$508.06 -
Out of stock
V-Twin - 11-1449 - Evolution Knucklehead Rocker Box Cover Kit - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
MSRP: $723.95$400.31Knucklehead Rocker box kit features a natural cast finish for Evolution models and offers additional cooling. Rocker box cover kit includes two covers, two knucklehead and four chrome hex knucklehead...MSRP: $723.95$400.31 -
Out of stock
V-Twin - 11-1435 - OE Pushrod Cover Spring Cup Set Black
OE
$53.35V-Twin - 11-1435 - OE Pushrod Cover Spring Cup Set BlackDescriptionOE pushrod cover spring cup set features a black finish.Sold as a set of 4. Requires the use of adjustable pushrods or removal of...$53.35 -
Out of stock
V-Twin - 11-1434 - Evolution D-Ring Set - Fits 1984-1991 Harley-Davidson FLH, FLST
V-Twin Mfg
$92.30Evolution rocker box cover d-ring set features an alloy natural finish.Sold as a pair. Fits:FLH 1984-1991FLST 1984-1991Additional Information UOM$92.30Out of stock V-Twin - 11-1416 - 1270cc/1200cc Piston Kit - Fits 1986-2003 Harley-Davidson XL (1270cc, 1200cc)
V-Twin Mfg
$290.791270cc/1200cc piston kit with rings and wrist pins.**NOTE: Run engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears, in order to properly break-in new pistons...$290.79Out of stock
V-Twin - 11-1377 - 1000cc Piston Ring Set Standard
Hastings
$108.34V-Twin - 11-1377 - 1000cc Piston Ring Set StandardDescriptionHastings moly piston ring set is for a 3-3/16" bore and is standard size. Features moly top compression rings with a size of 1/16" and oil...$108.34Out of stock
V-Twin - 11-1353 - 88 inch Twin Cam Moly Piston Ring Set .020
Hastings
$121.10V-Twin - 11-1353 - 88 inch Twin Cam Moly Piston Ring Set .020DescriptionHastings moly piston ring set is .020 oversize. Set includes a moly top compression ring and chrome oil rings.Sold as a pair...$121.10Out of stock V-Twin - 11-1347 - 61 inch Overhead Valve 3-5/16 inch Piston Set .005 Oversize
Motorshop
$285.96V-Twin - 11-1347 - 61 inch Overhead Valve 3-5/16 inch Piston Set .005 OversizeDescriptionPiston set with 3-5/16" bore is .005 oversized. Set includes hasting 3 piece ring set, 2 wrist pins, and 4...$285.96Out of stock V-Twin - 11-1304 - 1270cc/883cc Piston Kit
V-Twin Mfg
$237.50V-Twin - 11-1304 - 1270cc/883cc Piston KitDescription1270cc/883cc piston kit with rings.MC forged pistons have teflon coated tops to aid in a more complete combustion. Final cylinder is done with our...$237.50
V-Twin - 11-1303 - Replica Knucklehead Solid Pushrod Set
Motorshop
$127.50V-Twin - 11-1303 - Replica Knucklehead Solid Pushrod SetDescriptionSifton pushrod set is constructed of steel for use on Knucklehead engines.Pushrod has a diameter of 3/8". ...$127.50Out of stock V-Twin - 11-1297 - Knucklehead Cylinder Head Set
Motorshop
$3,853.31V-Twin - 11-1297 - Knucklehead Cylinder Head SetDescriptionKnucklehead cylinder head set features original cast iron construction with a black finish. Head set includes valves, springs, collars and...$3,853.31Out of stock
V-Twin - 11-1293 - 74 inch Panhead Cylinder Set
Motorshop
$379.30V-Twin - 11-1293 - 74 inch Panhead Cylinder SetDescriptionReplica set includes the front and rear cylinders with OE style casting number code.The cylinders are bored and honed to 3.438" inner...$379.30Out of stock
V-Twin - 11-1276 - Piston Kit .080 Oversize
Motorshop
$207.80V-Twin - 11-1276 - Piston Kit .080 OversizeDescriptionKit includes .080 pistons, thick ring set, wrist pin and lock piston that features a steel expansion strut cast in.Pistons have a steel expansion...$207.80Out of stock V-Twin - 11-1246 - M8 Lower Pushrod Cover Set Chrome
V-Twin Mfg
$56.91V-Twin - 11-1246 - M8 Lower Pushrod Cover Set ChromeDescriptionM8 lower pushrod cover set features a chrome finish.This lower pushrod cover set replaces OEM#25701000. Sold as a set of 4. Fits:FLST...$56.91Out of stock V-Twin - 11-1245 - Lower Pushrod Cover Chrome - Fits 1979-1985 Harley-Davidson XL (Late 1979)
V-Twin Mfg
$51.682023 New Production chrome lower pushrod covers.Sold as a set of 4. Fits:XL 1979-1985 Late 1979Additional Information OEM No.17937-79$51.68Out of stock
V-Twin - 11-1237 - Billet Lower Pushrod Cover Set - Fits 1984-1999 Harley-Davidson FX, FL
V-Twin Mfg
$112.44Billet lower pushrod cover set features a natural alloy finish. Set fits Evolution models.Sold as a four piece set. Fits:FX 1984-1999FL 1984-1999Additional Information$112.44Out of stock
V-Twin - 11-1235 - Sifton Billet Lower Pushrod Cover Set
Sifton
$112.44V-Twin - 11-1235 - Sifton Billet Lower Pushrod Cover SetDescriptionSifton billet lower pushrod cover set features a natural alloy finish. Set fits Panhead and Shovelhead motors. Fits:FX 1948-1978FL...$112.44Out of stock
V-Twin - 11-1224 - M8 Cast Iron Intake Valve Guide
Kibblewhite
MSRP: $13.86$13.72V-Twin - 11-1224 - M8 Cast Iron Intake Valve GuideDescriptionCast iron intake valve guide is for M8 models and is .001" oversize. Fits:FLT 2017-UPAdditional InformationMSRP: $13.86$13.72Out of stock V-Twin - 11-1210 - Solid Tappet Screw Set - Fits 1936-1952 Harley-Davidson EL
V-Twin Mfg
$35.46Solid tappet screw set includes 4 screws with lock nut. Set is for solid puhsrods on Panhead, Knucklehead and Sportser. Fits:EL 1936-1940EL 1941-1952Additional Information$35.46Out of stock
V-Twin - 11-1202 - 1200cc Cylinder and Piston Kit
Motorshop
$722.05V-Twin - 11-1202 - 1200cc Cylinder and Piston KitDescriptionMotorshop 1200cc cylinder kit includes Wiseco fitted 10.5:1 piston and ring sets to be used with 1200cc heads only.Can not be used as Big...$722.05Out of stock
V-Twin - 11-1200 - 1200cc Cylinder and Piston Kit
Motorshop
$742.64V-Twin - 11-1200 - 1200cc Cylinder and Piston KitDescriptionMotorshop 1200cc cylinder kit includes Wiseco fitted 9:1 piston and ring sets to be used with 1200cc heads only.Can not be used as Big Bore...$742.64Out of stock
V-Twin - 11-1178 - 3.437 inch Cylinder Sleeve
LA Sleeve
$149.05V-Twin - 11-1178 - 3.437 inch Cylinder SleeveDescriptionReplacement cylinder sleeve 3.437" for 74" overhead valve cylindersUses 1-3/8" large hex 18mm plugs. Fits:FX 1971-1977FL 1941-1977Additional...$149.05Out of stock
V-Twin - 11-1176 - 3.312 inch Cylinder Sleeve
LA Sleeve
$181.15V-Twin - 11-1176 - 3.312 inch Cylinder SleeveDescriptionReplacement cylinder sleeve 3.312" for Knucklehead cylinders Fits:EL 1936-1940Additional Information$181.15Out of stock V-Twin - 11-1152 - Titanium Rocker Box Cover Set
Motorshop
$513.26V-Twin - 11-1152 - Titanium Rocker Box Cover SetDescriptionEvolution rocker box cover set is titanium coated.Sold as a pair. Fits:FXST 1992-1999FLST 1992-1999Additional Information$513.26Out of stock V-Twin - 11-1142 - 1936 Rocker Inner Nut Set
V-Twin Mfg
$97.74V-Twin - 11-1142 - 1936 Rocker Inner Nut Set Description 1936 rocker inner nut set.Sold as a 4 piece set. Fits: EL 1936-1936 Additional Information$97.74Out of stock
V-Twin - 11-1115 - 883cc to 1200cc Cylinder and Piston Conversion Kit STD
Motorshop
$624.64V-Twin - 11-1115 - 883cc to 1200cc Cylinder and Piston Conversion Kit STDDescription883cc to 1200cc XL Conversion cylinder and piston set includes 2 silver finished cast cylinders with fitted Sifton...$624.64Out of stock
V-Twin - 11-1107 - 900/1000cc Nitrate Steel Exhaust Valve
Sifton
$67.98V-Twin - 11-1107 - 900/1000cc Nitrate Steel Exhaust ValveDescriptionSifton nitrate steel exhaust valve Fits:XL 1958-1985Additional Information$67.98Out of stock
V-Twin - 11-1105 - 883cc to 1200cc Cylinder and Piston Conversion Kit Black
Motorshop
$630.87V-Twin - 11-1105 - 883cc to 1200cc Cylinder and Piston Conversion Kit BlackDescription883cc to 1200cc XL Conversion cylinder and piston set includes 2 black finished with milled edge fin cylinders...$630.87Out of stock
V-Twin - 11-1104 - 883cc to 1200cc Cylinder and Piston Conversion Kit Silver
Motorshop
$617.12V-Twin - 11-1104 - 883cc to 1200cc Cylinder and Piston Conversion Kit SilverDescription883cc to 1200cc XL Conversion cylinder and piston set includes 2 silver finished cast cylinder with Sifton 9.5:1...$617.12Out of stock
V-Twin - 11-1099 - 45 inch W/G Cylinder Set
Motorshop
$910.26V-Twin - 11-1099 - 45 inch W/G Cylinder SetDescriptionNew cylinders, front is OEM, rear is replica with casting numbers, intake nipples and valve guides installed.*NOTE: Cylinders must be fit to...$910.26Out of stock
V-Twin - 11-1074 - Solid Tappet Adapter Set
Motorshop
$33.29V-Twin - 11-1074 - Solid Tappet Adapter Set Description Four piece solid tappet adapter set replaces hydraulic tappet inserts, and uses stock pushrods. Fits: FLT 1979-1983 FX 1971-1984 FXR...$33.29Out of stock
V-Twin - 11-0904 - 61 inch Pushrod Cover Kit - Fits 1936-1939 Harley-Davidson EL (61")
V-Twin Mfg
$168.64Chrome kit includes upper and lower pushrod covers. Lower pushrod covers are steel as exact original. Fits:EL 1936-1939 61"Additional Information UOM$168.64
V-Twin - 11-0903 - Pushrod Cover Kit - Fits 1941-1947 Harley-Davidson FL
V-Twin Mfg
$146.15Chrome kit includes inner pushrod covers, upper and lower covers, and seals for Knuckleheads.*NOTE: May require a minimal amount of sanding or honing of the inner part of the outer pushrod covers for...$146.15Out of stock V-Twin - 11-0898 - Titanium Rocker Box Cover Set
Motorshop
$513.26V-Twin - 11-0898 - Titanium Rocker Box Cover SetDescriptionEvolution rocker box cover set is titanium coated.Sold as a pair. Fits:FLT 1984-1991FXR 1984-1991FLST 1986-1991FXST 1984-1991Additional...$513.26Out of stock V-Twin - 11-0897 - 1936 EL Pushrod Cover Kit
Motorshop
$156.15V-Twin - 11-0897 - 1936 EL Pushrod Cover Kit Description Pushrod cover kit includes upper and lower pushrod covers. Upper pushrod clips are stainless steel and do not have lance for removal. Lower...$156.15Out of stock V-Twin - 11-0893 - Titanium TC-88 Cam Cover
Motorshop
$138.50V-Twin - 11-0893 - Titanium TC-88 Cam CoverDescriptionTI coat TC-88 cam cover features titanium plating over chrome for a "machine" look. Fits:FXST 1999-2018FLST 1999-2016Additional Information$138.50
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.