Overview Reviews Product Description Piston and Ring - PowerPak - Forged - 3.766 in Bore - 1.0 x 1.0 x 2.0 mm Ring Groove - Minus 1.00 cc - Small Block Chevy - Kit Product Videos Custom Field Product Reviews Write a Review Write a Review × MAHLE PISTONS MAHLE PISTONS SBC 305 Powerpak Piston Set F/T 3.766 Bore MAH930205566 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *