Crankcase & Bottom End 1936-99 | Birds Bitz

Sign in | Register

Showing 1–40 of 54 resultsSorted by popularity

Part No: B65112
Crank Pin Woodruff Key Big Twin 1930/Early 1981, 3 Hole or 1 hole. K, Sportster 1954/Early 1981, 3 hole Replaces 23985-18 Sold Each
$3.50 Add to cart
In stock
Part No: EMP-A-24385-40B
Eastern Motorcycle Parts Rod Cages with Standard Size Roller Bearings. Fits Big Twin 1936-1986.
$120.00 Add to cart
In stock
Part No: HAR-35-602
Rollies Speed Shop Oil Pressure Switch. Fits Big Twin 1941-1984 & Sportster 1954-1976
$21.00 Add to cart
In stock
Part No: SS31-0000
S&S Crankcase Assembly with 3-1/2in. Bore – Natural. Fits Big Twin 1984-1991
$3,140.00 Add to cart
Available on back-order
Part No: BCM-7241
Bender Cycle Crank Pin Boss Thrust Washer. Fits Big Twin Late 1970-1999 & Sportster Early 1979-1986
$27.00 Add to cart
In stock
Part No: JM-24017-80
Jims Sprocket Shaft Nut. Fits Big Twin 1981up.
$45.00 Add to cart
In stock
Part No: JM-2433
Jims Sprocket Shaft Kit. Fits Big Twin 1981-Early 1985.
$358.00 Add to cart
In stock
Part No: SS31-4011
S&S Sprocket Shaft Seal Spacer. Fits Big Twin 1970-1999.
$74.00 Add to cart
In stock
Part No: BCM-7122
Bender Cycle Left Engine Case Sprocket Shaft Spacer. Fits Big Twin 1970-1999.
$24.00 Add to cart
In stock
Part No: BCM-7136
Bender Cycle 0.210in. Sprocket Shaft Spacer – Pack of 5. Fits Big Twin 1970-2006
$23.00 Add to cart
Available on back-order
Part No: BCM-7131
Bender Cycle 0.060in. Sprocket Shaft Spacer – Pack of 5. Fits Big Twin 1970-2006
$23.00 Add to cart
In stock
Part No: BCM-7306
Bender Cycle Sprocket Nut Alternator Rotor Spacer. Big Twin 1991up.
$5.00 Add to cart
In stock
Part No: SS34-4040
S&S Connecting Rod Race & Bushing Kit. Fits Big Twin 1941-1999.
$403.00 Add to cart
In stock
Part No: JM-24599-58B
Jims Standard Right Hand Crank Case Race. Fits Big Twin 1993-1999.
$227.00 Add to cart
Available on back-order
Part No: JM-24599-58A
Jims Standard Right Hand Crank Case Race. Fits Big Twin 1979-1992.
$227.00 Add to cart
Available on back-order
Part No: SS50-8113
S&S 45 Degree Crankcase Breather Fitting. Fits S&S or OEM Crankcases
$29.00 Add to cart
In stock
Part No: JM-24006-58
Jims Pinion Shaft. Fits Big Twin 1958-1972.
$269.00 Add to cart
Available on back-order
Part No: JM-2415
Jims Pinion Shaft Kit. Fits Big Twin 1981-1986.
$383.00 Add to cart
Available on back-order
Part No: JM-2434
Jims Pinion Shaft Kit. Fits Big Twin 1973-1981.
$385.00 Add to cart
Available on back-order
Part No: EMP-A-24626-87A
Eastern Motorcycle Parts Crankshaft Right Main Bearing – White. Fits Evo Big Twin 1987-1999.
$88.00 Add to cart
In stock
Part No: JM-24626-87
Jims Crankshaft Right Main Bearing – White. Fits Evo Big Twin 1987-1999.
$122.00 Add to cart
Available on back-order
Part No: JM-24641-87
Jims Crankshaft Right Main Bearing – Red. Fits Evo Big Twin 1987-1999.
$122.00 Add to cart
Available on back-order
Part No: SS31-4017
S&S Crankshaft Right Main Bearing – Red. Fits Evo Big Twin 1987-1999.
$92.00 Add to cart
Available on back-order
Part No: JM-24628-87
Jims Crankshaft Right Main Bearing – Green. Fits Evo Big Twin 1987-1999.
$122.00 Add to cart
Available on back-order
Part No: SS31-4018
S&S Crankshaft Right Main Bearing – Blue. Fits Evo Big Twin 1987-1999.
$92.00 Add to cart
Available on back-order
Part No: HAR-35-611
Rollies Speed Shop Oil Pressure Switch. Fits Evolution Big Twin 1984-1999
$24.00 Add to cart
In stock
Part No: STD-MC-OPS3
Standard Motorcycle Products Oil Pressure Switch. Fits Evolution Big Twin 1984-1999.
$27.00 Add to cart
In stock
Part No: STD-MC-OPS1
Standard Motorcycle Products Oil Pressure Switch. Fits Big Twin 1941-1984 & Sportster 1954-1976.
$28.00 Add to cart
In stock
Part No: JM-24022-90
Jims Pinion Shaft Nut. Fits Big Twin 1990-1992.
$57.00 Add to cart
Available on back-order
Part No: JM-24016-80
Jims Pinion Shaft Nut. Fits Big Twin 1981-1989.
$60.00 Add to cart
In stock
Part No: SS33-4244
S&S Pinion Gear Nut. Fits Big Twin 1954-1989.
$91.00 Add to cart
In stock
Part No: CM-8143-34
Colony Machine Stock Motor Case Stud, Bolt & Nut Kit – Chrome. Fits Shovel & Evo 1979-1995.
$105.00 Add to cart
In stock
Part No: CM-8140-34
Colony Machine Stock Motor Case Stud, Bolt & Nut Kit – Chrome. Fits Shovel 1970-1978.
$105.00 Add to cart
In stock
Part No: JM-2186K
Jims Crank Pin Key. Fits Big Twin 1941-Early 1981.
$38.00 Add to cart
In stock
Part No: SS50-1009
S&S Crank Pin & Pinion Shaft Key – Pack of 5. Fits Big Twin & Sportster 1981-1999
$25.00 Add to cart
In stock
Part No: SS32-2230
S&S 4-5/8in. 89ci Stroker Flywheel Assembly. Fits Evolution Big Twin 1984-1999.
$2,643.00 Add to cart
Available on back-order
Part No: SS32-2239
S&S 4-1/4in. Stroke Flywheel Assembly. Fits Evolution Big Twin 1984-1999.
$2,643.00 Add to cart
Available on back-order
Part No: SS32-2235
S&S 4-1/4in. Stroke Flywheel Assembly. Fits 80ci Big Twins from 1973-1984.
$2,858.00 Add to cart
Available on back-order
Part No: SS31-0055
S&S Crankcase Assembly with 3-1/2in. Bore – Black. Fits Big Twin 1992-1999.
$3,306.00 Add to cart
In stock
Part No: SS31-0052
S&S Crankcase Assembly with 3-1/2in. Bore – Black. Fits Big Twin 1984-1991.
$3,306.00 Add to cart
Available on back-order