Engine
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Drag Specialties - Cam Chain Tensioner Kit fits '07-'17 Twin Cam & '06 Dyna Models (Repl. OEM #S 39968-06/39969-06)
Drag Specialties
$94.29Drag Specialties - Cam Chain Tensioner Kit fits '07-'17 Twin Cam & '06 Dyna Models (Repl. OEM #S 39968-06/39969-06) Features Stock replacement hydraulic cam chain tensioners Sold as a...$94.29 -
Feuling - Headbolt Kit fits '99-'17 Twin Cam and '92-'22 Sportster Models (exc. '21-'22 Sportster S/RH1250S, 22 Nightster/RH975)
Feuling
$299.95Feuling - Headbolt Kit fits '99-'17 Twin Cam and '92-'22 Sportster Models (exc. '21-'22 Sportster S/RH1250S, 22 Nightster/RH975) This kit features wide underhead flange bolts and hardened chamfered...$299.95 -
Feuling - ARP 12-Point Evolution External Fastener Bolt Kit fits '85-'99 Big Twin Models
Feuling
$249.95Feuling - ARP 12-Point Evolution External Fastener Bolt Kit fits '85-'99 Big Twin Models This kit features quality, 12-point heat-treated 8740 chrome moly-steel bolts with a black oxide finish...$249.95 -
Feuling - Rocker Shaft Kit fits '17-'22 M8 Touring & '18-'22 Softail Models
Feuling
$329.95Feuling - Rocker Shaft Kit fits '17-'22 M8 Touring & '18-'22 Softail Models Fueling's Rocker Shaft Kits feature custom tooling that's built to deliver a countersink relief for the bolt/nut head as...$329.95 -
Performance Machine - Black Ops Race Series Cam Cover '17-'23 Harley M8 Models
Performance Machine
$362.95Performance Machine - Black Ops Race Series Cam Cover '17-'23 Harley M8 Models Features: CNC machined from billet aluminium Dissipates heat more efficiently vs. stock covers$362.95 -
James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '86-'90 Sportster Models
James Gaskets
$91.95James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '86-'90 Sportster Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and...$91.95 -
James Gaskets - James Rubber Rocker Box Gasket Kit fits '91-'03 Sportster Models
James Gaskets
$68.95James Gaskets - James Rubber Rocker Box Gasket Kit fits '91-'03 Sportster Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in...$68.95 -
S&S Cycle - Wrinkle Black 80" Bore Cylinder & Piston Kit fits '84-'00 Evolution Big Twin Models W/ Stock or S&S Heads
S&S Cycle
$1,231.95S&S Cycle - Wrinkle Black 80" Bore Cylinder & Piston Kit fits '84-'00 Evolution Big Twin Models W/ Stock or S&S Heads S&S Cycle's 80" Bore Cylinder & Piston Kits feature S&S 3½" bore cylinders and...$1,231.95 -
S&S Cycle - Super Stock™ '66-'78 Style Cylinder Head Kit for Stock Bore Cylinders W/ O-Ring Intake
S&S Cycle
$1,723.95S&S Cycle - Super Stock™ '66-'78 Style Cylinder Head Kit for Stock Bore Cylinders W/ O-Ring Intake Complete kits also include rocker cover gaskets, head gaskets and miscellaneous hardware with...$1,723.95 -
S&S Cycle - Super Stock™ '79-'84 Style Cylinder Head Kit for Stock Bore Cylinders W/ Rubber Band Intake
S&S Cycle
$1,723.95S&S Cycle - Super Stock™ '79-'84 Style Cylinder Head Kit for Stock Bore Cylinders W/ Rubber Band Intake This Cylinder Head Kit uses a band-style intake (not included). Sold in pairs, built with...$1,723.95 -
S&S Cycle - TC3 Oil Pump- fits '07-'17 Twin Cam & '06 Dyna Models
S&S Cycle
MSRP: $499.95$495.95S&S Cycle - TC3 Oil Pump- fits '07-'17 Twin Cam & '06 Dyna Models Features: Three stages for consistent pressure and reliable scavenging SeparaMSRP: $499.95$495.95 -
S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '99-'06 Twin Cam (Exc. '06 Dyna)
S&S Cycle
$836.95S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '99-'06 Twin Cam (Exc. '06 Dyna) Features: Precision CNC machined forged aluminum Incre$836.95 -
S&S Cycle - Oil Pump fits '17-'23 M8 Oil-Cooled
S&S Cycle
MSRP: $615.95$495.95S&S Cycle - Oil Pump fits '17-'23 M8 Oil-Cooled S&S Cycle's Oil Pump for '17-'23 M8 Oil-Cooled Touring Models delivers a 20% flow increase on the supply side and a 52% flow increase on scavenge...MSRP: $615.95$495.95 -
S&S Cycle - Aluminum Hydraulic Cam Chain Tensioners Kit - fits '07-'17 Twin Cam, '06 Dyna
S&S Cycle
$175.95S&S Cycle - Aluminum Hydraulic Cam Chain Tensioners Kit - fits '07-'17 Twin Cam, '06 Dyna Features: For use in stock 07-17 Twin Cam engines or 99-06 Twin Cam engines with a hydraulic upgrade cam...$175.95 -
Performance Machine - Vision Cam Covers - fits '17-Up M8 Models
Performance Machine
$519.95 - $571.95Performance Machine - Vision Cam Covers - fits '17-Up M8 Softail Models The Vision Cam Covers from Performance Machine feature a special polycarbonate lens for a glimpse inside the machine!...$519.95 - $571.95 -
Drag Specialties - Chrome Tappet Block Cover fits '17 & Up Harley M8 Model Repl. OEM #25700410/25700411
Drag Specialties
$109.13Drag Specialties - Chrome Tappet Block Cover fits '17 & Up Harley M8 Model Repl. OEM #25700410/25700411 Features Made from die-cast aluminum Includes gaskets and screws$109.13 -
10% OFF
Arlen Ness - 10-Gauge Pushrod Tube Kits for '17-'25 M8 Softail Engines
Arlen Ness
$103.48 - $206.96Arlen Ness - 10-Gauge Pushrod Tube Kits for '17-'25 M8 Softail Engines The Arlen Ness 10-Gauge Pushrod Tube Kits are built from 6061-T6 billet aluminum and are sold in a set of four. Available in...$103.48 - $206.96 -
S&S Cycle - Chain-Drive Camchest Kits W/ 551CE Easy Start Cams for '99-'17 Twin Cam
S&S Cycle
MSRP: $2,225.95$2,025.95S&S Cycle - Chain-Drive Camchest Kits W/ 551CE Easy Start Cams for '99-'17 Twin Cam This camchest kit is available in two different fitments: (1) For '07-'17 Twin Cam and '06 Dyna, or (2) For...MSRP: $2,225.95$2,025.95 -
Feuling - 574 HP+® Chain Drive Conversion Camchest Kits for '99-'06 Twin Cam (Except '06 Dyna Glide)
Feuling
$1,939.95Feuling - 574 HP+® Chain Drive Conversion Camchest Kits for '99-'06 Twin Cam (Except '06 Dyna Glide) NOTE: Conversion camshafts for '99-'06 Twin Cam engines use the '99-'06 inner cam journals with...$1,939.95 -
Feuling - 543 HP+® Chain Drive Conversion Camchest Kits for '99-'06 Twin Cam (Except '06 Dyna Glide)
Feuling
$1,939.95Feuling - 543 HP+® Chain Drive Conversion Camchest Kits for '99-'06 Twin Cam (Except '06 Dyna Glide) NOTE: Conversion camshafts for '99-'06 Twin Cam engines use the '99-'06 inner cam journals with...$1,939.95 -
Feuling - OE+ 543 Hydraulic Cam Chain Conversion Camchest Kit for '99-'06 Twin Cam (Except '06 Dyna Glide)
Feuling
$1,839.95Feuling - OE+ 543 Hydraulic Cam Chain Conversion Camchest Kit for '99-'06 Twin Cam (Except '06 Dyna Glide) Features Feuling® complete camchest kits include all necessary components from top to...$1,839.95 -
Feuling - Race Series® 465 Camchest Kit fits '17-Up M8 Oil-Cooled Motors
$1,979.95Feuling - Race Series® 465 Camchest Kit fits '17-Up M8 Oil-Cooled Motors Features Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil flow 15-35 degree...$1,979.95 -
Feuling - 12-Point External Primary Engine Bolt Fastener Kit fits '04-'20 Sportster Models
$149.95Feuling - 12-Point External Primary Engine Bolt Fastener Kit fits '04-'20 Sportster Models The 12-Point External Primary Engine Bolt Fastener Kit allows you to secure your engine with complete...$149.95 -
Colony Machine - Motor Mount Bolt Covers fits '00-'17 Softail Models
Colony Machine
$28.95Colony Machine - Motor Mount Bolt Covers fits '00-'17 Softail Models The Colony Machine Motor Mount Bolt Covers have a smooth finish and are 100% manufactured in the U.S.A. Colony Machine is one of...$28.95 -
Roland Sands Design Clarity Cam Cover - fits '17-'19 M-Eight
Roland Sands Design
$571.95Roland Sands Design Clarity Cam Cover - fits '17-'19 M-Eight Features: Allows for viewing of the internal moving engine components CNC-machined from billet aluminum Hardware included Contrast...$571.95 -
S&S Pushrod Tube Keepers - fits '17-'19 M-Eight
S&S Cycle
$40.95S&S Pushrod Tube Keepers - fits '17-'19 M-Eight Features: For use in custom applications where stock keepers won't fit. Chromed steel finish Sold in kits of four assemblies; enough for one...$40.95 -
Trask Assault Series Cam Covers - fits '01-'17 Twin Cam w/o Cam Position Sensor
Trask Performance
$429.95Trask Assault Series Cam Covers - fits '01-'17 Twin Cam w/o Cam Position Sensor Available in Chrome, Gloss Black, and Raw Machined. Features: Transparent for viewing internal engine...$429.95 -
Drag Specialties - Rocker Box Kit - Fits '99-'17 Twin Cam Models
Drag Specialties
$326.43Drag Specialties Rocker Box Kit Fits '99-'17 Twin Cam Models With the Drag Rock Box Kit you will get a perfect, leakproof fit! Available in Chrome. Sold Each. Features: Quality construction with...$326.43 -
Feuling - Dress Up Fastener Kit - fits '18 Softail
$199.95Feuling Dress Up Fastener Kit for 2018 Harley Softail This Chassis Dress-up Kit includes rear fender bracket, battery box side cover, shifter linkage, shifter arm w/nut and washer, and rear brake...$199.95 -
Jims - Rocker Box Alignment Screws
Jims
$103.10Jims Rocker Box Alignment Screws These alignment screws will ensure that the rocker cover alignment is right on. Misalignment can compromise the sealing surface and looks bad. They can also cause...$103.10 -
James Gaskets - Oil Pump Seal Kit w/ Metal Gaskets - fits '92-'99 Evolution
James Gaskets
$18.95James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '92-'99 Evolution$18.95 -
James Gaskets - Gasket O-Ring Kit, Cylinder Head-Base - fits '99-Up Twin Cams
James Gaskets
$78.95James Gaskets - Gasket O-Ring Kit, Cylinder Head-Base - fits '99-Up Twin Cams This Genuine James kit comes with matching head and base gaskets and O-Rings where applicable. Made in the U.S.A...$78.95 -
James Gaskets - Twin Cam Motor Gasket Kit w/ MLS Head Gaskets - fits '99-'04
James Gaskets
$163.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '99-'04 Twin Cam Models$163.95 -
James Gaskets - Twin Cam Motor Gasket Kit w/ MLS Head Gaskets - fits '05-Up
James Gaskets
$163.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '05-UP Twin Cam Models$163.95 -
On Sale
Feuling - Oil Pumps - fits '07-'15 Twin Cam (inc. '06 Dyna)
MSRP: $507.95Now: $499.99Was: $507.95Fueling Oil Pumps : 7075 billet aluminum with military spec hard anodized, blue printed and designed for the racer The 7075 alloy is 50% harder and stronger then 6061 aluminum and holds tighter...MSRP: $507.95Now: $499.99Was: $507.95 -
On 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
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.