ProTru by Wiseco Pro Tru Street Series Forged Piston and Ring Kit - 4.210 in Bore - AMC V8 Battery Cable Kit C20 Suburban 1986-1975

C20 Suburban 1986-1975

Clean and Fast Flowing

3/4 in 36 Spline to 3/4 in Double D

1981-1986 Mercury Cougar

ProTru by Wiseco Pro Tru Street Series Forged Piston and Ring Kit - 4.210 in Bore - AMC V8 Battery Cable Kit C20 Suburban 1986-1975Our Pro Tru Street series pistons are forged from 4032 alloy aluminum in Mentor, Ohio and includes rings, pins, and clips for an all inclusive rebuild. For any build budget, Wiseco has the piston to get you on the road or down the track. Product Description: Pistons and Rings Pro Tru Street Series Forged 4. 210 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Minus 27. 00 cc AMC V8 Manufactured by Wiseco Performance Products, ProTru Forged Pistons are