Wiseco, 88" to 107" Twin Cam 'Sleeper' Piston Kit. STD

88" to 107" big bore conversion piston set. Incl. forged 10.5:1 CR domed 4-1/8" bore pistons; Hastings rings; circlips; wrist pins. Requires 4-1/8" big bore cylinders and case boring. Works with stock 4" stroke flywheels of 88" models. Note: Does not include any gaskets. Note: Oversizes are not available.

Fitment: 99-06 88" Twin Cam (NU)

Suitable where the listed fitment matches.