Motorcycle Engine
Colony
#8520 Complete Show Bike Kit Cap Style Hardware Harley-Davidson 1987-1988 Softail - Chrome Plated
$311.38
Colony
#8519 Complete Show Bike Kit Cap Style Hardware Harley-Davidson 1986-1990 Sportster - Chrome Plated
$252.00
Colony
#8517 Complete Show Bike Kit Cap Style Hardware Harley-Davidson Evolution w 4 Speed - Chrome Plated
$240.78
Colony
#8516 Complete Show Bike Kit Cap Style Hardware Harley-Davidson 1979-1984 FLT - Chrome Plated
$414.58
Colony
#8504 Complete Show Bike Kit Cap Style Hardware Harley-Davidson 1977-1985 Sportster - Chrome Plated
$341.08
Colony
#8503 Complete Show Bike Kit Cap Style Hardware Harley-Davidson 1974-1976 Sportster - Chrome Plated
$339.27
Colony
#8502 Complete Show Bike Kit Cap Style Hardware Harley-Davidson 1971-1973 Sportster - Chrome Plated
$339.27
Colony
#7935 Complete Show Bike Kit Acorn Hardware Harley-Davidson 2004-up Sportster - Chrome Plated
$254.93
Colony
#7931 Complete Show Bike Kit Acorn Hardware Harley-Davidson 1996-1998 FLT/FXR - Chrome Plated
$301.84
Colony
#7930 Complete Show Bike Kit Acorn Hardware Harley-Davidson 1992-1995 FLT/FXR - Chrome Plated
$307.25
Colony
#7929 Complete Show Bike Kit Acorn Hardware Harley-Davidson 1987-1991 FLT/FXR - Chrome Plated
$304.55
Colony
#7925 Complete Show Bike Kit Acorn Hardware Harley-Davidson 1999-2005 Twin Cam Dyna - Chrome Plated
$330.22
Colony
#7920 Complete Show Bike Kit Acorn Hardware Harley-Davidson 1987-1988 Softail - Chrome Plated
$311.38
Colony
#7909 Complete Show Bike Kit Acorn Hardware Harley-Davidson 1966-1969 Shovelhead - Chrome Plated
$397.20
Colony
#7905 Complete Show Bike Kit Acorn Hardware Harley-Davidson 1936-1939 Knucklehead - Chrome Plated
$395.76
Colony
#7904 Complete Show Bike Kit Acorn Hardware Harley-Davidson 1977-1985 Sportster - Chrome Plated
$341.08
Colony
#7901 Complete Show Bike Kit Acorn Hardware Harley-Davidson 1965-1970 Sportster - Chrome Plated
$334.55
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
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.