Motorcycle Engine
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
$60.26
Colony
#8714-20 Big Bore Headbolt & Washer Kit 1949-Up Harley-Davidson Panhead/Shovelhead - Chrome Plated
2
$58.66
British Standard
Rocker Box Caps / Covers - Starburst MCM Style - for Triumph Motorcycles 1963 - 1972
6
$115.15
James Gaskets
Complete Motor Gasket Kit - Sportster 900cc 1957 - 1971
1
$114.43
British Standard
Pushrod Tube Seal Kit - Triumph 650
18
$27.78
Kibblewhite Precision Machining
Intake and Exhaust Valve Spring Set for 1963 - 1972 Triumph 650 Motorcycles OEM #99-7037 70-4221 or 70-7400
1
$54.24
British Standard
Triumph Oil Seal Timing Cover Points Seal OEM #70-4568
12
$14.56
Kibblewhite Precision Machining
Tappet Blocks 1969- 1983 for Triumph 650 / 750 Twins OEM #E9352 E9353
2
$99.99
Cycle Standard
Front Motor Mount 1982-94 Harley-Davidson FXR 80-08 FLH FLT
$33.19
Lowbrow Customs
Triumph Oil Feed Brass Rocker Box Acorn Nuts and Copper Washers
18
$30.38
Colony
#3036-22 Upper and Lower Motor Mount Kit 1937-1947 Harley-Davidson Big Twin Side Valve - Parkerized
1
$43.82
Colony
#2070-1 Oil Line Fitting Chrome 1/8 NPT Thread for 3/8 inch Hose OEM #63533-41 - Chrome Plated
6
$4.54
Kibblewhite Precision Machining
Intake Valve Standard Triumph 650 / 750 1963-83
1
$21.49
Kibblewhite Precision Machining
Exhaust Valve Standard Triumph 650 / 750 1963-83
5
$21.49
James Gaskets
Top End Gasket Kit 1973-1985 Harley-Davidson Sportster
5
$42.03
Colony
#2811-13 Instrument Panel Light Switch Kit 1936-1945 Harley-Davidson Big Twin/45s - CAD Plated
$40.70
James Gaskets
Top End Gasket Kit 1957-1971 Harley-Davidson Sportster
2
$37.10
Colony
#9772-22-P Lower Motor Mount Smooth Allen Kit 1986-1998 Harley-Davidson Sportster - Chrome Plated
1
$35.87
Colony
#9771-8 Center Motor Mount Allen Screw Kit 1986-2003 Harley-Davidson Sportster - Chrome Plated
1
$11.90
James Gaskets
Primary Cover & Inspection Cover Gasket Kit 8-Hole Primary Cover 1965-1969 Harley-Davidson Big Twins
$68.87
James Gaskets
Primary Cover & Inspection Cover Gasket Kit With Seals 1984-1986 Harley-Davidson FL/FLH/FX/FXE/FXWG 1984-1988 Softail
$68.87
Colony
#8204-4 Hydraulic Lifter Converters Eliminate Hydraulic Units 1953-Up Harley-Davidson Big Twins
$34.05
British Standard
Outer Gearbox Gasket for unit 650cc and 750cc Triumph Motorcycles 1963- Up OEM #71-1448
13
$9.65
Colony
#9793-9-P Upper Motor Mount Smooth Allen Kit 1986-2003 Harley-Davidson Sportster - Chrome Plated
$13.40
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.