Motorcycle Engine
Colony
#7900 Complete Show Bike Kit Acorn Hardware Harley-Davidson 1957-1964 Sportster - Chrome Plated
$322.26
Colony
#8522 Complete Show Bike Kit Cap Style Hardware Harley-Davidson 1991-2003 Sportster - Chrome Plated
$196.98
Colony
#8510 Complete Show Bike Kit Cap Style Hardware Harley-Davidson 1970-1975 Shovelhead - Chrome Plated
$383.08
Colony
#8509 Complete Show Bike Kit Cap Style Hardware Harley-Davidson 1966-1969 Shovelhead - Chrome Plated
$397.20
Colony
#8508 Complete Show Bike Kit Cap Style Hardware Harley-Davidson 1958-1965 Panhead - Chrome Plated
$383.08
Colony
#8507 Complete Show Bike Kit Cap Style Hardware Harley-Davidson 1948-1957 Panhead - Chrome Plated
$383.08
Colony
#3375-3 Left Bearing Bushing Screw 1929-1936 Harley-Davidson 45"/74"/80" Twins/C Singles Twins
$19.06
Colony
#3772-2 Spark Plug Hole Caps 1926-1934 Harley-Davidson Singles 1929-1955 Flatheads All Knuckleheads
$16.50
British Standard
Rocker Box Gaskets 1963-1970 Triumph 650cc T120 Bonneville/TR6/Tiger
3
$9.91
Cycle Standard
Ride-On Engine Stablizer Link Kit 1982-94 Harley-Davidson FXR 91-94 Dyna 80-08 Touring
$106.96
Cycle Standard
Rocker Box Covers - Chrome - 1948-65 Harley-Davidson Panhead
2
$147.41
S&S Cycle
Hooligan Kit - 1200cc to 1250cc for 2000 - 2021 Harley-Davidson Sportster Models - Wrinkle Black
$1,640.66
$1,822.95
James Gaskets
Complete Motor Gasket Kit - Sportster 900cc 1957 - 1971
1
$114.43
British Standard
Crankcase Oil Filter 1969-79 Triumph 650 750 T140 TR7 T120 TR6
3
$65.99
British Standard
OIF Sump Gasket Triumph T140 750 A65 TR6 TR7
2
$7.00
James Gaskets
Top End Gasket Kit 1957-1971 Harley-Davidson Sportster
2
$37.10
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.