Motorcycle Engine
Lowbrow Customs
FiltroMax Universal Remote Oil Filter Mount - Polished
50
$75.27
Cycle Standard
Isolator Motor Mount - Rear - 1999-2017 Harley-Davidson Dyna
3
$135.63
Lowbrow Customs
FiltroMax Universal Remote Oil Filter Mount - Black
26
$75.27
James Gaskets
Top End Gasket Kit 1966-1984 Harley-Davidson Shovelhead
$71.99
Til Death Cycles
Dyna Case Saver
2
$119.12
James Gaskets
Complete Motor Gasket Kit - Sportster 1000cc 1972 - 1985
10
$114.43
Gasbox
Strong Arm Top Motor Mount for Crank Start Key Switch - 1984-1999 Harley-Davidson Big Twin Evolution
1
$74.95
Cycle Standard
Front Motor Mount 1982-94 Harley-Davidson FXR 80-08 FLH FLT
$36.51
James Gaskets
Primary Cover & Inspection Cover Gasket Kit 8-Hole Primary Cover 1970-1982 Harley-Davidson Shovelhead
$68.87
Cycle Standard
Engine Stabilizer Link - Chrome - 1982-94 Harley-Davidson FXR 91-94 Dyna 80-08 Touring
2
$82.08
Gasbox
Top Motor Mount - 1986-2003 Sportster - Stainless Steel - With Coil and Stock Ignition Switch Mounts
8
$49.95
Old-Stf Cycle
Shovelhead Rocker Box Split Oil Lines - Brass
30
$91.43
Gates Corporation
3/8 inch Black Fuel / Oil Line - By The Foot
15
From
$14.75
Colony
#3020-8 Head Bolt Set 12 Point 1992-Up Harley-Davidson Big Twin/Twin Cam 1993-Up XL - Zinc Plated
3
$83.00
Cycle Standard
Mega Nut Sprocket and Pulley Lock Nut for 1993+ Harley Sportster, Big Twin, and Twin Cam
19
$73.66
Colony
#7908 Complete Show Bike Kit Acorn Hardware 1958-1965 Harley-Davidson Panhead - Chrome Plated
$383.08
Gasbox
Strong Arm Top Motor Mount With OEM #71425-77 Ignition Switch Mount 1948-1984 Harley Big Twins
2
$74.95
James Gaskets
Top End Gasket Kit 2007-Up Harley-Davidson Sportster
$119.93
Old-Stf Cycle
Ironhead Sportster Rocker Box Loop Oil Lines - Brass
14
$64.00
Lowbrow Customs
Rear Motor Mount Plates for Triumph Motorcycles - Chopper Style w/ Key Switch Hole - 1963 - 1970 Triumph
13
$74.20
Lowbrow Customs
FiltroMax Belt Drive Mounting Bracket
11
$26.15
James Gaskets
Primary Cover & Inspection Cover Gasket Kit With Seals 1984-1986 Harley-Davidson FL/FLH/FX/FXE/FXWG 1984-1988 Softail
$68.87
Lowbrow Customs
Rocker Box Oil Pressure Gauge Adapter Fitting - Chrome - 1971 - Up Harley-Davidson Shovelhead, 1971 - 1985 Sportster
9
$30.51
Gasbox
Top Motor Mount - 2007-up Harley-Davidson Sportster - With EFI Coil and Stock Ignition Switch Mounts
11
$49.95
The Heart of Your Build: Custom Motorcycle Engine Parts
The engine is the soul of your motorcycle, and keeping it running strong is what it's all about. Whether you're rebuilding a classic ironhead motor for sale you just scored or boosting the pe...
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Motorcycle Engine FAQ
I found a Sportster engine for sale. What are the first things I should check or replace?
When starting with a used engine of unknown history, it's wise to at least perform a top-end refresh. This typically includes new gaskets, checking cylinder and piston tolerances, and inspecting the valve train. This gives you peace of mind and a reliable starting point.
What are the easiest ways to get more power from my stock Sportster engine?
The most common and effective "Stage 1" upgrades are improving airflow. This means installing a high-flow air cleaner and a less restrictive exhaust system. These two changes allow the engine to breathe more freely and will deliver a noticeable performance gain without ever opening up the motor itself.
I'm rebuilding my engine. How important is it to replace all the hardware?
While not always strictly necessary, it's highly recommended. Engine hardware is subject to countless heat cycles and stress, which can cause it to stretch and weaken over time. Using new, high-quality head bolts, case bolts, and other hardware ensures proper torque specs and a leak-free, reliable engine for years to come.