Engine
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Out of stockOn Sale
Feuling - Fast Install Push Rods - fits '85-'99 Evo Big Twin
MSRP: $259.95Now: $239.99Was: $259.95Feuling - Fast Install Push Rods - fits '85-'99 Evo Big Twin Adjustable pushrods have a slightly shorter tapered tube and comes dissassembled allowing to install the pushrods without removing the...MSRP: $259.95Now: $239.99Was: $259.95 -
Colony - 8138-34 Cadmium Stock Engine Case Bolt Kit fits '65-'69 FL Model
Colony Machine
$63.72Colony - 8138-34 Cadmium Stock Engine Case Bolt Kit fits '65-'69 FL Model Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FL 1965-1969$63.72 -
On Sale
Colony - Engine Case Seal - fits '55-'68 FL
Colony Machine
MSRP: $53.20Now: $46.99Was: $56.88Engine case seal .002 oversize. Fits: FL 1955-1968MSRP: $53.20Now: $46.99Was: $56.88 -
Colony - 8107-16 Cadmium Cylinder Base Nuts and Washers fits '29-'52 WL, '57-'85 XL, '32-'73 G Models
Colony Machine
$24.34Colony - 8107-16 Cadmium Cylinder Base Nuts and Washers fits '29-'52 WL, '57-'85 XL, '32-'73 G Models Cadmium stock cylinder base set includes 8 nuts & washers. Fitment: WL 1929-1952 XL...$24.34 -
Colony - Cylinder Base Nut Set - Chrome fits '57-'84 XLR
Colony Machine
$39.99Colony C chrome cylinder base nuts. Fits: XLR 1957-1984$39.99 -
Colony - Cylinder Base Acorn Nut and Washer Set - Chrome fits '57-'84 XL
Colony Machine
$25.99Cylinder Base Chrome Acorn Nut and Washer Set Fits: XL 1957-1984$25.99 -
On Sale
Colony - Tappet Base Allen Screws - Chrome fits '57-'84 XL
Colony Machine
MSRP: $16.98Now: $14.99Was: $16.81Tappet base allen screws. Chrome finish Fits: XL 1957-1984MSRP: $16.98Now: $14.99Was: $16.81 -
On Sale
Colony - Rocker Shaft End Caps - Chrome fits Harley FL, FX, and XL (see desc.)
Colony Machine
Now: $41.99Was: $46.23Rocker shaft end caps, chrome finish. Fits: FL 1971-1984 FX 1971-1984 FLT 1979-1983 FXR 1982-1983 XL 1971-1985Now: $41.99Was: $46.23 -
Colony - Rocker Shaft End Plugs - fits '66-'70 FL, '57-'70 XL
Colony Machine
$39.99The chrome rocker arm shaft end plug makes installation and removal a much easier job than with the original slotted part. Includes 4 plugs per set. Fits: FL 1966-1970 XL 1957-1970$39.99 -
V-Twin - Chrome Pushrod Cover Kit fits '57-E'79 XL Sportster
V-Twin Mfg
$132.34Chrome Pushrod Cover kit includes upper and lower pushrod covers, seals, springs. Fits: XL 1957-1979 Early 1979$132.34 -
On Sale
Colony - Hex Head Bolts - Chrome fits '57-'72 XL
Colony Machine
MSRP: $69.95Now: $64.99Was: $76.95Hex head bolt, chrome finish. Fits: XL 1957-1972MSRP: $69.95Now: $64.99Was: $76.95 -
V-Twin - Blacked Out Rocker Box Cover Set fits '07-'12 XL Sportster
V-Twin Mfg
$492.45Harley Sportster Rocker box cover set with black finish. Fits: XL 2007-2012$492.45 -
Out of stock
Spectro - 311472 - Full Oil Service Kit XL Synthetic - Fits 1986-2022 Harley-Davidson Sportster
Spectro Oils
$99.00Spectro - 311472 - Full Oil Service Kit XL Synthetic - Fits 1986-2022 Harley-Davidson SportsterDescriptionFull service kit for Sportsters: engine oil, primary/transmission oil, a filter and drain...$99.00 -
Out of stock
Spectro - 311473 - Full Oil Service Kit XL Premium - Fits 1986-2022 Harley-Davidson Sportster
Spectro Oils
$79.50Spectro - 311473 - Full Oil Service Kit XL Premium - Fits 1986-2022 Harley-Davidson SportsterDescriptionFull service kit for Sportsters using Spectro's petroleum Premium line: engine oil, primary...$79.50 -
Out of stock
Spectro - 311474 - Full Oil Service Kit M8 Synthetic - Fits 2017-2026 Harley-Davidson M8 Touring & 2018-2026 M8 Softail
Spectro Oils
$142.50Spectro - 311474 - Full Oil Service Kit M8 Synthetic - Fits 2017-2026 Harley-Davidson M8 Touring & 2018-2026 M8 SoftailDescriptionEverything you need to service all three holes on a Milwaukee-Eight...$142.50 -
Out of stock
Spectro - 311476 - Full Oil Service Kit Twin Cam Synthetic - Fits 1999-2017 Harley-Davidson Twin Cam
Spectro Oils
$125.00Spectro - 311476 - Full Oil Service Kit Twin Cam Synthetic - Fits 1999-2017 Harley-Davidson Twin CamDescriptionFull service kit for Twin Cam Big Twins: engine oil, primary oil, transmission oil, a...$125.00 -
Out of stock
Spectro - 311477 - Full Oil Service Kit Evo Premium - Fits 1984-1999 Harley-Davidson Evo Big Twin
Spectro Oils
$102.50Spectro - 311477 - Full Oil Service Kit Evo Premium - Fits 1984-1999 Harley-Davidson Evo Big TwinDescriptionFull service kit for Evo Big Twins using Spectro's petroleum Premium line: engine oil,...$102.50 -
Out of stock
Spectro - 311887 - Engine Oil Change Kit M8 Synthetic - Fits 2017-2026 Harley-Davidson M8 Touring & 2018-2026 M8 Softail
Spectro Oils
$92.20Spectro - 311887 - Engine Oil Change Kit M8 Synthetic - Fits 2017-2026 Harley-Davidson M8 Touring & 2018-2026 M8 SoftailDescriptionEngine-only oil change kit for Milwaukee-Eight bikes: engine oil, a...$92.20 -
V-Twin - 42-1250 - Black Wrinkle Cam Cover w/o Sensor Hole - Fits 2001-2017 Harley-Davidson Twin Cam FXD/FLT/FXST/FLST
V-Twin Mfg
$179.59V-Twin - 42-1250 - Black Wrinkle Cam Cover w/o Sensor Hole - Fits 2001-2017 Harley-Davidson Twin Cam FXD/FLT/FXST/FLSTDescriptionCam cover without sensor hole features a wrinkle black finish...$179.59 -
Drag Specialties - 224376 - Full Synthetic 20W-50 Oil Change Kit - Chrome Filter - Fits Evo Big Twin & Sportster
Drag Specialties
$111.95Drag Specialties Full Synthetic 20W-50 Oil Change Kit — Evo Big Twin & Sportster — Chrome Filter Fits: Harley-Davidson Evolution Big Twins (1984-1999 Softail, Dyna, FXR, Touring) and 1986-up...$111.95 -
Drag Specialties - 224377 - Full Synthetic 20W-50 Oil Change Kit - Black Filter - Fits Evo Big Twin & Sportster
Drag Specialties
$111.95Drag Specialties Full Synthetic 20W-50 Oil Change Kit — Evo Big Twin & Sportster — Black Filter Fits: Harley-Davidson Evolution Big Twins (1984-1999 Softail, Dyna, FXR, Touring) and 1986-up Evolution...$111.95 -
Drag Specialties - 224381 - Full Synthetic 20W-50 Oil Change Kit - Black Filter - Fits Milwaukee-Eight M8
Drag Specialties
$145.95Drag Specialties Full Synthetic 20W-50 Oil Change Kit — Milwaukee-Eight M8 — Black Filter Fits: 2017-up Harley-Davidson Milwaukee-Eight (M8 Softail, Touring, Trike). 5 quarts. Everything for the...$145.95 -
Drag Specialties - 224379 - Full Synthetic 20W-50 Oil Change Kit - Black Filter - Fits Twin Cam
Drag Specialties
$115.95Drag Specialties Full Synthetic 20W-50 Oil Change Kit — Twin Cam — Black Filter Fits: 1999-2017 Harley-Davidson Twin Cam (Softail, Dyna, Touring, Trike). 4 quarts. Everything for the engine oil...$115.95 -
Drag Specialties - 224380 - Full Synthetic 20W-50 Oil Change Kit - Chrome Filter - Fits Milwaukee-Eight M8
Drag Specialties
$149.95Drag Specialties Full Synthetic 20W-50 Oil Change Kit — Milwaukee-Eight M8 — Chrome Filter Fits: 2017-up Harley-Davidson Milwaukee-Eight (M8 Softail, Touring, Trike). 5 quarts. Everything for the...$149.95 -
Drag Specialties - 224378 - Full Synthetic 20W-50 Oil Change Kit - Chrome Filter - Fits Twin Cam
Drag Specialties
$119.95Drag Specialties Full Synthetic 20W-50 Oil Change Kit — Twin Cam — Chrome Filter Fits: 1999-2017 Harley-Davidson Twin Cam (Softail, Dyna, Touring, Trike). 4 quarts. Everything for the engine oil...$119.95 -
S&S Cycle - 310-1395A - Power Pack - Oil Cooled - 496 Chain Drive - Wrinkle Black w/Highlight - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1395A - Power Pack - Oil Cooled - 496 Chain Drive - Wrinkle Black w/Highlight - M8FeaturesBig bore bolt-on kit increases 107" M8 to 129" with no case machining requiredS&S oil...$3,294.95 -
S&S Cycle - 310-1400A - Power Package - Water Cooled - 496 Chain Drive - Black Granite w/Highlight - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1400A - Power Package - Water Cooled - 496 Chain Drive - Black Granite w/Highlight - M8FeaturesBig bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case...$3,294.95 -
S&S Cycle - 310-1393A - Power Package - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1393A - Power Package - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8FeaturesBig bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case...$3,497.95 -
S&S Cycle - 310-1238D - Power Pack - Oil Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes - 114"/117" M8
S&S Cycle
$3,497.95S&S Cycle - 310-1238D - Power Pack - Oil Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes - 114"/117" M8FeaturesUpdated profile4.32" bore cylinders with 11.0:1 compression ratio...$3,497.95 -
S&S Cycle - 310-1398A - Power Pack - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1398A - Power Pack - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8FeaturesBig bore bolt-on kit increases 107" M8 to 129" with no case machining requiredS&S oil pump/cam...$3,497.95 -
S&S Cycle - 310-1109D - Power Pack - Oil Cooled - 550C - Black Granite w/Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1109D - Power Pack - Oil Cooled - 550C - Black Granite w/Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate,...$3,294.95 -
S&S Cycle - 310-1108D - Power Pack - Water Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1108D - Power Pack - Water Cooled - 550G - Black Granite w/Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate,...$3,497.95 -
S&S Cycle - 310-1104D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1104D - Power Pack - Oil Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate,...$3,497.95 -
S&S Cycle - 310-1235D - Power Pack - Water Cooled - 550C - Black Granite w/Highlight - Chrome Pushrod Tubes - 114"/117" M8
S&S Cycle
$3,294.95S&S Cycle - 310-1235D - Power Pack - Water Cooled - 550C - Black Granite w/Highlight - Chrome Pushrod Tubes - 114"/117" M8FeaturesUpdated profile4.32" bore cylinders with 11.0:1 compression ratio...$3,294.95 -
S&S Cycle - 310-1105D - Power Pack - Oil Cooled - 550C - Wrinkle Black w/o Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1105D - Power Pack - Oil Cooled - 550C - Wrinkle Black w/o Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate,...$3,294.95 -
S&S Cycle - 310-1102D - Power Pack - Water Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1102D - Power Pack - Water Cooled - 550G - Wrinkle Black w/Highlight - Chrome Pushrod Tubes - M8FeaturesUpdated profileForged pistonsMade in the USAIncludes oil pump/cam plate,...$3,497.95 -
S&S Cycle - 310-1057D - Power Pack - Oil Cooled - 550C - Wrinkle Black w/o Highlight - Black Pushrod Tubes - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1057D - Power Pack - Oil Cooled - 550C - Wrinkle Black w/o Highlight - Black Pushrod Tubes - M8FeaturesUpdated finsNo case machining requiredForged pistonsMade in the USAIncludes oil...$3,294.95 -
S&S Cycle - 310-1054D - Power Pack - Water Cooled - 550C - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1054D - Power Pack - Water Cooled - 550C - Wrinkle Black w/Highlight - Black Pushrod Tubes - M8FeaturesUpdated finsNo case machining requiredForged pistonsMade in the USAIncludes oil...$3,294.95 -
S&S Cycle - 310-1259A - Cam Chest - Oil Cooled - Gear Drive - Chrome Pushrod Tubes - M8
S&S Cycle
$1,623.95S&S Cycle - 310-1259A - Cam Chest - Oil Cooled - Gear Drive - Chrome Pushrod Tubes - M8FeaturesPrecision machined from billet aluminumPassage plugs removable for servicingIndependent scavenge section...$1,623.95 -
S&S Cycle - 310-1383A - Cam Chest Kit - Oil Cooled - Gear Drive - 496 Cam - Black Pushrod Tubes - M8
S&S Cycle
$1,695.95S&S Cycle - 310-1383A - Cam Chest Kit - Oil Cooled - Gear Drive - 496 Cam - Black Pushrod Tubes - M8FeaturesAll parts in each kit are matched to ensure superior quality, fit, finish and...$1,695.95
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.