Hastings Piston Rings CM5501030 8-Cyl Ring Set; Plasma Moly Height: 2.000 Width: 5.000 Length: 10.000 Weight: 1.26 Fitment: 1980/GMC/K3500/Sierra Grande Standard Cab Pickup 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated::Claimer Ring Sets^^1980/GMC/K3500/Sierra Grande Crew Cab Pickup 4-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated::Claimer Ring Sets^^1980/GMC/K3500/Sierra Grande Cab & Chassis 4-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated::Claimer Ring Sets^^1980/GMC/K3500/Sierra Grande Cab & Chassis 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated::Claimer Ring Sets^^1980/GMC/K3500/Sierra Classic Standard Cab Pickup 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated::Claimer Ring Sets^^1980/GMC/K3500/Sierra Classic Crew Cab Pickup 4-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated::Claimer Ring Sets^^1980/GMC/K3500/Sierra Classic Cab & Chassis 4-Door/6.6L 4...