American Thunder Exhaust Chev/GMC C10/15/20/25 #17742 HED28140 5 x 70 Metric Coarse

5 x 70 Metric Coarse Hex Set Screws 5 Pieces Zinc Plated Class 8

turning and profiling of steels at high cutting speeds

Accurately & quickly locates the centre of round bar or round workpieces

50 Center Out - Aggressive Sound

Overall length 6

American Thunder Exhaust Chev/GMC C10/15/20/25 #17742 HED28140 5 x 70 Metric CoarsePart # 17742 Description Header back American Thunder Kit DOR S Mod Agg Sound Application Summary 1973 to 1987 Chevrolet and GMC C10 (1 2 ton) and C20 (3 4 ton) Pickup Trucks, 2 Wheel Drive Only. Not emissions compliant on vehicles originally equipped with a catalyst system. Note 1: Not Legal For Use On Vehicles Originally Equipped With Catalytic Converter Features Flowmaster's American Thunder Crossmember back exhaust system for the 73 87 GM C10 C20,