This is a NEW never USED set of 4 ONLY SBC pistons by Wiseco. They go in a motor with a 4.020" bore. These have a. 927 pin dia. They have a compression height of about 1.42".
Pistons SBC 4.030" Wiseco NASCAR ARCA NHRA IHRA Truck MUD UMP IMCA WISSOTA K&N
Pistons SBC 4.155" 1.062 CH NHRA IHRA Truck MUD UMP IMCA WISSOTA K&N CARS ASA
Pistons SBC 4.155 TC 2945.030 Silvolite Claim NHRA IHRA Truck MUD IMCA WISSOTA
Pistons SBC 4.060 H860CP .060 NHRA IHRA Truck MUD IMCA WISSOTA UMP IMCA CARS ASA
Pistons SBC 4.155" TRW L2311 +.030 ARCA NHRA IHRA Truck MUD UMP IMCA WISSOTA
Pistons SBC 4.155" 3.75" Stk Diamond 6614 NHRA IHRA Truck MUD IMCA WISSOTA K&N
