Bottom End

S&S Cycle #34-2102 - Crankpin Assembly - Standard - Big Twin L'81-'99 (except '99 Twin Cam)

Standard size tapered crankpin as used on 1.249" late 1981-1999 and S&S 96, 107 and 113 V series engines. Replaces oem 23961-80A. FitmentYear(s)MakeModel CodeModel1981-2028Harley-Davidson—

S&S Cycle #34-2103 - Crankpin Assembly - +0.001" Oversize - Big Twin L'81-'99 (except '99 Twin Cam)

Oversize +0.001 tapered crankpin as used on 1.250" late 1981-1999 and S&S 96, 107 and 113 V series engines. Replaces oem 23974-87. FitmentYear(s)MakeModel CodeModel1981-1999Harley-Davidson

S&S Cycle #34-2105 - Crankpin Assembly - +0.002" Oversize - Big Twin L'81-'99 (except '99 Twin Cam)

Crankpin Assembly - +0.002" Oversize - Big Twin L'81-'99 (except '99 Twin Cam)FeaturesFor use in stock and S&S flywheelsIncludes crankpin, nuts and keyMade in the USASpecs

S&S Cycle #34-2503 - Crankpin Assembly -Standard - XL '57-'E'81

Crankpin Assembly -Standard - XL '57-'E'81FeaturesFor use in stock and S&S flywheelsIncludes crankpin, nuts and keyMade in the USASpecsMaterialSteel

S&S Cycle #34-4007 - Wrist Pin Bushing - Big Twin

Bronze wristpin bushing, for 1941-1999 big twin engines and V96, V107 and V113 S&S engines. .767" x .895" x 1.077", sold each, replaces oem p/n 24334-36. FitmentYear(s)MakeModel CodeModel1941-20

S&S Cycle #34-4040 - Rod Race and Bushing Set - Big Twin '41-'99 (except Twin Cam)

Connecting rod rebuild kit, containing bearing races for front and rear rods and wristpin bushings. Complete kit fits 1941-1984 big twin engines and V96, V107 and V113 motors. FitmentYear(s)MakeModel...

S&S Cycle #34-7210 - S&S Supreme Rod Set

S&S Supreme Rod Set

S&S Cycle #340-0146 - Connecting Rod, H-Beam, .927" WP, 7", PS160 Gen2

S&S Cycle #340-0219 - Connecting Rod, Set, Forged Steel, Stock CP Diameter, H-Beam, 5.055", Royal Enfield 650 Twin

Forged billet 4340 steel and an "H-Be am" design, gives these rods superior strength over stock rods; includes durable ARP 2000 fasteners and a longer life thanks to the shot-peened finish. They also...

S&S Cycle #50-8335 - Magnetic Oil Drain Plug

Magnetic drain plug, 1/2-20. Used on S&S crankcases manufactured after 5-1-2000.

S&S Cycle #920-0070 - Piston Kit - 3.5625" - 1250cc Big Bore - 10.3:1 CR - XL

These S&S 1250cc conversion pistons for 1986-'21 HD® Sportster® Models increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression. May be used with stock 1200cc cylinder...

S&S Cycle #920-0071 - Piston Kit - 3.5625" - 1250cc Big Bore - 11.2:1 CR - XL

These S&S 1250cc conversion pistons for 1986-'21 HD® Sportster® Models increase the displacement of 883cc and 1200cc engines to 1250cc at 11.2:1 compression. May be used with stock 1200cc cylinder...

S&S Cycle #920-0100 - Big Bore Forged Piston Kit - 3.937" Bore - 107" Twin Cam - Standard

These big bore pistons work with the stock 4-3/8" stroke flywheels to convert any 2007-'16 HD® big twin engine from 96" or 103" to 107" displacement with 10.4:1 compression with stock heads. Stock...

S&S Cycle #920-0101 - Big Bore Forged Piston Kit - 3.937" Bore - 98" Twin Cam - Standard

These big bore pistons work with the stock 4" stroke flywheels to convert any 1999-'06 HD® big twin engine from 88" to 98" displacement with 10.3:1 compression with stock heads. Stock cylinders may...

S&S Cycle 32-2108 S&S Cycle 70-84 BT 86in Stock Bore Stroker Kit

Stock bore stroker kits have always been an economical way to increase the displacement of your engine. The S&S 84" stock bore Hot Set Up Kit upgrades 74" and 80" shovelhead engines to 86"...