Engine
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Out of stock
V-Twin - 11-1784 - 45 inch Piston Ring .020 Oversize
Motorshop
MSRP: $83.25$82.41V-Twin - 11-1784 - 45 inch Piston Ring .020 OversizeDescriptionV-Twin Motorshop piston ring, .020 with 1/8" oil ring and 3/32" compression ring for 45" engine. Fits:WLA 1937-1955 45"G 1937-1952...MSRP: $83.25$82.41 -
Out of stock
V-Twin - 11-1775 - Cylinder Head Set With Rocker Assembly
Motorshop
$6,603.04V-Twin - 11-1775 - Cylinder Head Set With Rocker AssemblyDescriptionKnucklehead cylinder head set features original cast iron with black finish. Head set includes valves, springs, collars, and guides...$6,603.04 -
Out of stock
V-Twin - 11-1773 - 61 inch Piston Ring Set .080 Oversize
Rowe
MSRP: $74.58$73.83V-Twin - 11-1773 - 61 inch Piston Ring Set .080 OversizeDescriptionRowe cast piston ring set is for a 3-5/16" bore and is .080 oversize. Features compression rings with a size of 3/32" and oil rings...MSRP: $74.58$73.83 -
Out of stock
V-Twin - 11-1772 - 61 inch Piston Ring Set .060 Oversize
Rowe
MSRP: $74.58$73.83V-Twin - 11-1772 - 61 inch Piston Ring Set .060 OversizeDescriptionRowe cast piston ring set is for a 3-5/16" bore and is .060 oversize. Features compression rings with a size of 3/32" and oil rings...MSRP: $74.58$73.83 -
Out of stock
V-Twin - 11-1761 - 1270CC Piston Ring Set
Motorshop
MSRP: $41.76$40.93V-Twin - 11-1761 - 1270CC Piston Ring SetDescription1200cc piston ring set is Ricken brand. Fits:XL 1986-UPAdditional InformationMSRP: $41.76$40.93 -
Out of stock
V-Twin - 11-1755 - 103 inch Twin Cam Cylinder and Piston Kit
Motorshop
$764.42V-Twin - 11-1755 - 103 inch Twin Cam Cylinder and Piston KitDescriptionThis kit increases displacement of the TC-96 models to produce 103cc with stock flywheels. Features a 9:1 compression.These...$764.42 -
Out of stock
V-Twin - 11-1744 - 74 inch Piston Ring Set .005 Oversize
Rowe
MSRP: $74.58$73.83V-Twin - 11-1744 - 74 inch Piston Ring Set .005 OversizeDescriptionRowe cast piston ring set is for a 3-7/16" bore and is .005 oversize. Set includes a top compression ring and 3 piece oil rings.Sold...MSRP: $74.58$73.83 -
Out of stock
V-Twin - 11-1738 - Twin Cam Rocker Box Cover Screw Kit - Fits 1991-2016 Harley-Davidson FL, 1999-2017 FX
V-Twin Mfg
$72.50Twin Cam rocker box screw kit is for use on upper and lower rocker box installation.Sold as 36 piece set including OEM #1039 (8) 5/16"-18 x 2-1/2" flange hex head screws, OEM #3692A (6) 5/16"-18 x 1"...$72.50 -
Out of stock
V-Twin - 11-1714 - Panhead M8 Rocker Box Cover Set
V-Twin Mfg
$415.59V-Twin - 11-1714 - Panhead M8 Rocker Box Cover SetDescriptionPanhead rocker box cover set features a cast alloy finish and replaces stock covers. For use on M8 models.Check clearance on models with...$415.59 -
Out of stock
V-Twin - 11-1713 - Rear Panhead Cylinder
Motorshop
$207.90V-Twin - 11-1713 - Rear Panhead CylinderDescriptionRear Panhead cylinder does not come with the piston.*NOTE: Oil feeds rockers from inside cylinder - use correct base gaskets to seal drain oil...$207.90 -
Out of stock
V-Twin - 11-1712 - M8 Rocker Box Cover Set Black
V-Twin Mfg
$314.51V-Twin - 11-1712 - M8 Rocker Box Cover Set BlackDescriptionM8 rocker box cover set features a black finish with a finned design.Includes correct mounting hardware. Fits:FLST 2018-UPFLT 2017-UPFXST...$314.51 -
Out of stock
V-Twin - 11-1711 - Front Panhead Cylinder
Motorshop
$207.90V-Twin - 11-1711 - Front Panhead CylinderDescriptionFront Panhead cylinder does not come with the piston.*NOTE: Oil feeds rockers from inside cylinder - use correct base gaskets to seal drain oil...$207.90 -
Out of stock
V-Twin - 11-1704 - 80 inch Evolution Piston Kit .005
Motorshop
$161.59V-Twin - 11-1704 - 80 inch Evolution Piston Kit .005DescriptionReplacement 80" Evolution moly coated piston kit. Pistons are .005 oversize. The moly coating helps reduce friction and wear. This kit...$161.59 -
Out of stock
V-Twin - 11-1702 - 80 inch Evolution Piston Kit Standard
Motorshop
$161.59V-Twin - 11-1702 - 80 inch Evolution Piston Kit StandardDescriptionReplacement 80" Evolution moly coated piston kit. Pistons are standard sized. The moly coating helps reduce friction and wear. This...$161.59 -
Out of stock
V-Twin - 11-1700 - 883cc to 1200cc Conversion Piston Set .005 Oversize
Motorshop
$208.74V-Twin - 11-1700 - 883cc to 1200cc Conversion Piston Set .005 OversizeDescriptionMoly coated piston set includes rings, wrist pins and circlips. Reverse dome piston kit requires cylinder boring...$208.74 -
Out of stock
V-Twin - 11-1689 - 74 inch Knucklehead Front Cylinder - Fits 1941-1947 Harley-Davidson FL
V-Twin Mfg
$249.48Front cylinder fits Knucklehead 1941-1947 74" models. Features MC cast factory markings.Bore size finished with .025 clearance. Fits:FL 1941-1947Additional Information$249.48 -
Out of stock
V-Twin - 11-1687 - Panhead Tappet Kit - Fits 1948-1952 Harley-Davidson EL, FL
V-Twin Mfg
$463.57Panhead tappet kit includes alloy lifter bases, solid lifters and hydraulic pushrods. Fits:EL 1948-1952FL 1948-1952Additional Information UOM1 -$463.57 -
Out of stock
V-Twin - 11-1681 - 61 inch Overhead Valve Piston Ring Set .080
Hastings
MSRP: $78.22$77.43V-Twin - 11-1681 - 61 inch Overhead Valve Piston Ring Set .080DescriptionHastings cast piston ring set is for a 3-5/16" bore and is .080 oversize. Features compression rings with a size of 3/32" and...MSRP: $78.22$77.43 -
Out of stock
V-Twin - 11-1678 - M8 Lower Rocker Box Cover Screw Set
V-Twin Mfg
$43.66V-Twin - 11-1678 - M8 Lower Rocker Box Cover Screw SetDescription18 piece lower rocker box cover screw set features a stainless steel finish. For use on M8 models.Sold as an 18 piece set including...$43.66 -
Out of stock
V-Twin - 11-1676 - Evolution Knucklehead Rocker Box Cover - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
$249.48Evolution Knucklehead rocker box cover fetures a raw finish and is one piece only for use on Knucklehead rocker box kit. Fits:FLST 1985-1999FLT 1985-1998FXST 1985-1999Additional Information$249.48 -
Out of stock
V-Twin - 11-1675 - Knucklehead Rocker Box Cover Only - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
$232.77One piece rocker box cover features a raw finish and is for use on Knucklehead rocker box kits. Fits:FLST 1985-1999FLT 1985-1998FXST 1985-1999Additional Information$232.77 -
Out of stock
V-Twin - 11-1659 - M8 Shovelhead Rocker Box Cover Set
V-Twin Mfg
MSRP: $508.06$414.59V-Twin - 11-1659 - M8 Shovelhead Rocker Box Cover SetDescriptionShovelhead rocker box cover set features a raw natural cast finish and replaces stock covers. For use on M8 models.Offers imporved heat...MSRP: $508.06$414.59 -
Out of stock
V-Twin - 11-1652 - Replica 74 inch Overhead Valve Piston Set .005 Oversize
Motorshop
MSRP: $146.43$131.77V-Twin - 11-1652 - Replica 74 inch Overhead Valve Piston Set .005 OversizeDescriptionReplica style 3-7/16" bore piston set has 8.5:1 compression ratio and is .005 oversize. Piston set includes...MSRP: $146.43$131.77 -
Out of stock
V-Twin - 11-1635 - TC-88 Rocker Box Mount Kit Chrome - Fits 1999-2016 Harley-Davidson FLT, FLST, 1999-2017 FXST, FXD
V-Twin Mfg
$74.15Rocker box mount kit includes upper and lower rocker cover base and top screws in a chrome finish.Sold as a 36 piece kit. Fits:FLT 1999-2016FLST 1999-2016FXST 1999-2017FXD 1999-2017Additional...$74.15 -
Out of stock
V-Twin - 11-1610 - M8 Complete Lower Rocker Box Cover Screw Set Zinc
V-Twin Mfg
$44.44V-Twin - 11-1610 - M8 Complete Lower Rocker Box Cover Screw Set ZincDescriptionM8 complete lower rocker box cover screw set features a zinc finish.20 pieces screw set is for use on M8 models...$44.44 -
Out of stock
V-Twin - 11-1609 - M8 Upper Rocker Box Mount Kit
V-Twin Mfg
$44.44V-Twin - 11-1609 - M8 Upper Rocker Box Mount KitDescriptionUpper rocker box mount kit for M8 models.. Fits:FLT 2017-UPFXST 2018-UPAdditional Information$44.44 -
Out of stock
V-Twin - 11-1580 - Evolution Rocker Cover Set
Motorshop
$549.91V-Twin - 11-1580 - Evolution Rocker Cover SetDescriptionEvolution rocker cover set features a natural alloy finish with chrome hex nuts and chrome rocker cover tins. For Evolution Big Twin models and...$549.91 -
Out of stock
V-Twin - 11-1577 - TC-88 Finned Rocker Box Set - Fits 1999-2016 Harley-Davidson FL, 1999-2017 FLST, FXST
V-Twin Mfg
$282.05TC-88 finned rocker box set features a black finish. Fits:FL 1999-2016FLST 1999-2017FXST 1999-2017Additional Information UOM1 - SET$282.05 -
Out of stock
V-Twin - 11-1559 - 45 inch Valve Guide Set - Fits 1929-1931 Harley-Davidson DL
V-Twin Mfg
$290.2045" valve guide set is the long shoulder type and is the same guide intake and exhaust.Sold as a set of 4. Fits:DL 1929-1931Additional Information UOM<$290.20 -
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 - 11-1413 - 1690cc Piston Ring Set Standard Size
Hastings
$125.88V-Twin - 11-1413 - 1690cc Piston Ring Set Standard SizeDescriptionHasting ring set is standard size and for use with TC-103. Fits:FXD 2010-2017 TC-103FLT 2010-2016 TC-103FLST 2010-2017 TC-103FXST...$125.88Out of stock
V-Twin - 11-1398 - 96 inch Twin Cam Piston Ring .005
Hastings
$100.36V-Twin - 11-1398 - 96 inch Twin Cam Piston Ring .005DescriptionHastings moly piston ring set is .005 oversize. Set includes moly top compression ring and chrome oil rings. Sold in sets for 2 pistons...$100.36
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.