Motorcycle Engine
British Standard
Triumph 650 to 750 c.c Big Bore Kit for 1963-1972 Models
22
$999.95
Lowbrow Customs
FiltroMax Universal Remote Oil Filter Mount - Polished
50
$70.35
Old-Stf Cycle
Shovelhead Rocker Box Split Oil Lines - Brass
29
$91.43
Gasbox
Strong Arm Top Motor Mount for Crank Start Key Switch - 1984-1999 Harley-Davidson Big Twin Evolution
1
$74.95
James Gaskets
Complete Motor Gasket Kit - Shovelhead 1966 - 1984
8
$116.17
Lowbrow Customs
FiltroMax Universal Remote Oil Filter Mount - Black
26
$70.35
Gates Corporation
3/8 inch Black Fuel / Oil Line - By The Foot
15
From
$13.41
Til Death Cycles
Dyna Case Saver
2
$119.12
Colony
#7911 Complete Show Bike Kit Acorn Hardware 1978-1984 Harley-Davidson Shovelhead - Chrome Plated
2
$400.47
James Gaskets
Top End Gasket Kit 1966-1984 Harley-Davidson Shovelhead
$71.99
Cycle Standard
Mega Nut Sprocket and Pulley Lock Nut for 1993+ Harley Sportster, Big Twin, and Twin Cam
19
$68.84
James Gaskets
Complete Motor Gasket Kit - Sportster 1000cc 1972 - 1985
9
$114.43
Gasbox
Top Motor Mount - 1986-2003 Sportster - Stainless Steel - With Coil and Stock Ignition Switch Mounts
8
$49.95
Lowbrow Customs
FiltroMax Belt Drive Mounting Bracket
11
$23.77
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
Rocker Box Covers - Chrome - 1948-65 Harley-Davidson Panhead
2
$140.39
Lowbrow Customs
Rear Motor Mount Plates for Triumph Motorcycles - Chopper Style w/ Key Switch Hole - 1963 - 1970 Triumph
12
$69.35
Cycle Standard
Ride-On Engine Stablizer Link Kit 1982-94 Harley-Davidson FXR 91-94 Dyna 80-08 Touring
$101.87
Gates Corporation
5/16 inch Black Fuel / Oil Line - By The Foot
11
From
$10.16
Cycle Standard
Engine Stabilizer Link - Chrome - 1982-94 Harley-Davidson FXR 91-94 Dyna 80-08 Touring
2
$76.71
Colony
#8515 Complete Show Bike Kit Cap Style Hardware 1976-1977 Harley-Davidson Shovelhead - Chrome Plated
$383.08
James Gaskets
Top End Gasket Kit 2007-Up Harley-Davidson Sportster
$119.93
Colony
#2313-19 Upper and Lower Motor Mount Bolt Kit 1936-1969 Harley-Davidson Big Twin - Parkerized
2
$52.45
Gasbox
Strong Arm Top Motor Mount With OEM #71425-77 Ignition Switch Mount 1948-1984 Harley Big Twins
1
$74.95
James Gaskets
Primary Cover & Inspection Cover Gasket Kit 8-Hole Primary Cover 1970-1982 Harley-Davidson Shovelhead
$68.87
Gates Corporation
1/4 inch Black Fuel / Oil Line - By The Foot
9
From
$9.63
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.