S&S Cycle 2007+ BT 4-1/8in DD Piston Set - 920-0046

Fits: 1984-'16 HD® big twins 4 1/8 bore. 124" & 117" Stock or S&S® heads. Piston kits include set of pistons, rings, wristpins, and clips.

S&S Cycle 2007+ BT 4-1/8in FD Piston Set - .020in - 106-3964A

Fits: 1984-'16 HD® big twins 4 1/8 bore. Stock or S&S® heads. Piston kits include set of pistons, rings, wristpins, and clips.

S&S Cycle 2007+ BT 4-1/8in FD Piston Set - .030in - 920-0094

Fits: 1984-'16 HD® big twins 4 1/8 bore. 124", 117" & 111" Stock or S&S® heads. Piston kits include set of pistons, rings, wristpins, and clips.

S&S Cycle 2007+ BT 4-1/8in FD Piston Set - 106-3491A

S&S® 41/8" BORE FORGED PISTON KITS FOR HOT SET UP KITS ® for 1984-'16 HD® big twins. Piston kits include set of pistons, rings, wristpins, and clips.

S&S Cycle 2007+ BT 4-1/8in Piston Set - .010in - 106-3872A

Fits: 1984-'16 HD® big twins 4 1/8 bore. Stock or S&S® heads. Piston kits include set of pistons, rings, wristpins, and clips

S&S Cycle 2007+ BT 4-1/8in Stroke Flywheel Assembly w/o Sprocket Shaft Bearing Race - 320-0407

This 4-1/8" stroke 8-1/2" diameter flywheel assembly is a replacement for the flywheels in S&S T111 engines for 2007-'16 big twin models. It also fits 2007-'16 HD® big twin engines, when not using...

S&S Cycle 2007+ BT 4-3/8in Stroke Flywheel Assembly w/ Sprocket Shaft Bearing Race - 320-0350

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using high performance pistons that allow the use of connecting rods with full...

S&S Cycle 2007+ BT 4-3/8in Stroke Flywheel Assembly w/o Sprocket Shaft Bearing Race - 320-0351

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using high performance pistons that allow the use of connecting rods with full...

S&S Cycle 2007+ BT 4-3/8in Stroke Flywheel Assembly w/o Sprocket Shaft Bearing Race - 320-0353

This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using stock pistons. Wrist pin end of connecting rods is tapered like stock...

S&S Cycle 2007+ BT 4-3/8in Style Front Tappet Cover - 330-0279

S&S Cycle 2007+ BT 4-3/8in Style Front Tappet Cover

S&S Cycle 2007+ BT 4-3/8in Style Rear Tappet Cover - 330-0280

S&S Cycle 2007+ BT 4-3/8in Style Rear Tappet Cover

S&S Cycle 2007+ BT 4-5/8in Stroke Flywheel Assembly w/o Sprocket Shaft Bearing Race - 320-0464

This 4-5/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in S&S® T124 T2 engines, and fits 2006 HD® Dyna models and all 2007-'16 big twin models as part of an S&S® 124"...