Motorcycle Engine
Colony
#3126-36 Pushrod Cover Kit for Adjustable Pushrods 1999-Up Harley-Davidson Twin Cam - Chrome Plated
$140.00
Gates Corporation
1/4 inch Black Fuel / Oil Line - By The Foot
10
From
$10.59
Cycle Standard
Front Motor Mount 1982-94 Harley-Davidson FXR 80-08 FLH FLT
$36.51
Lowbrow Customs
FiltroMax Big Twin Bracket - Tumbled
10
$32.10
Cycle Standard
Isolator Motor Mount - Rear - 1999-2017 Harley-Davidson Dyna
3
$135.63
Lowbrow Customs
Rocker Box Oil Pressure Gauge Adapter Fitting - Chrome - 1971 - Up Harley-Davidson Shovelhead, 1971 - 1985 Sportster
9
$30.51
Colony
#8316 CAD Complete Stock Hardware Kit - 1957-1969 Harley-Davidson Sportster XLCH - CAD Plated
2
$248.60
Lowbrow Customs
Rear Motor Mount Plates for Triumph Motorcycles - Chopper Style w/ Key Switch Hole - 1963 - 1970 Triumph
13
$74.20
James Gaskets
Primary Cover Gasket 1965-1988 Harley-Davidson Big Twin
$24.91
Colony
#7927 Complete Show Bike Kit Acorn Hardware 1994-2003 Harley-Davidson Sportster - Chrome Plated
$196.98
Lowbrow Customs
Rocker Box Oil Pressure Gauge Adapter Fitting - Brass - 1971 - Up Harley-Davidson Shovelhead, 1971 - 1985 Sportster
8
$30.51
Old-Stf Cycle
Ironhead Sportster Rocker Box Loop Oil Lines - Brass
14
$64.00
Grant Piston Rings
Piston Rings for Triumph 650 c.c. Motorcycles - .060 over
$66.62
Lowbrow Customs
FiltroMax Big Twin Bracket - Black
3
$39.45
Colony
#1017 Complete Show Bike Kit Allen Hardware 1971-1976 Harley-Davidson Sportster - Chrome Plated
1
$179.07
Colony
#9772-22 Lower Motor Mount Allen Screw Kit 1986-1998 Harley-Davidson Sportster - Chrome Plated
1
$33.84
James Gaskets
Primary Cover Gasket 1967-1976 Harley-Davidson XL
2
$6.73
James Gaskets
Top End Gasket Kit 1948-1965 Harley-Davidson Panhead
1
$40.59
Kibblewhite Precision Machining
Chrome Moly Pushrods for 650cc Triumph Twins Race or Street Use
11
$80.30
Colony
#9213-4 Upper Inner Pushrod Covers 1979-Up Harley-Davidson Shovelhead 1984-Up Evo 1986-1990 XL
1
$39.11
Colony
#7137-22 High Crown Acorn Rocker Box Bolt Kit - 1966-1984 Harley-Davidson Shovelhead - Chrome Plated
4
$51.43
Cycle Standard
Engine Stabilizer Link - Chrome - 1982-94 Harley-Davidson FXR 91-94 Dyna 80-08 Touring
2
$82.08
British Standard
Triumph Oil Seal Timing Cover Points Seal OEM #70-4568
12
$16.02
Lowbrow Customs
FiltroMax Belt Drive Mounting Bracket
11
$26.15
Colony
#7515-4 Aluminum Pushrods for Hydraulic Lifters - 1953-1965 Harley-Davidson Harley-Davidson Panhead
1
$71.50
Colony
#2091-12 Replacement Pushrod Covers Late 1979-1984 Harley-Davidson Shovelhead - Chrome Plated
2
$70.39
Kibblewhite Precision Machining
Black Diamond Exhaust Valve Triumph 650 750 OEM #70-2904
3
$31.01
Kibblewhite Precision Machining
Black Diamond Intake Inlet Valve Triumph 650 750 OEM #70-4603
3
$31.01
Cycle Standard
Tie Link - Chrome - 2004-Up Harley-Davidson Sportsters
2
$64.48
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.