This is for a set of New never USED SBC 400 pistons that are. 030" over.
Pistons SBC 4.155" 1.062 CH NHRA IHRA Truck MUD UMP IMCA WISSOTA K&N CARS ASA
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
Pistons SBC 4.030" Wiseco NASCAR ARCA NHRA IHRA Truck MUD UMP IMCA WISSOTA K&N
Pistons SBC 4.155" 3.48" Stk Diamond 6615 NHRA IHRA Truck MUD IMCA WISSOTA K&N
