Hastings Piston Ring Set - 3.780 1.5 1.5 3.0mm RU003003S Comprised of mulitple embossed layers

Comprised of mulitple embossed layers of stainless steel w/the outer layers utilizing a viton rubber coating

Saddles feature machined flats which allow the engine plate to rest directly on the saddle securing the motor plate between the saddle and the existing frame mounting tab

An integrated Pump Ground circuit is included in the harness which simplifies the wiring process and eliminates any chance of the pump accidentally activating from a short in the system

1988-1990 GMC C5000

Hastings Piston Ring Set - 3.780 1.5 1.5 3.0mm RU003003S Comprised of mulitple embossed layersProduct Description: Piston Rings Racing Rings 3. 780 in Bore Drop in 1. 5 x 1. 5 x 3. 0 mm Thick Low Tension Steel Plasma Moly 8 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.