This listing is for a set of eight (8) hyper eutectic, coated skirt pistons and a cast ring set compatible replacements for 1977-1995 Ford Lincoln Mercury models with the 302 cid 5.0L V-8 engine. P/N (8) H654CP+50564CP. Piston specifications are as follows: Head Type: Recessed head .030" deep x 2.500" dia. w/4 valve reliefs RING LANDS: 5/64"-5/64"-3/16" COMP. DISTANCE: 1.599" PISTON HEAD VOLUME: -4.00cc PIN DIAMETER: .9122" Pins are press fit. NOTES Compatible with: 1977-95 LD Truck (USA) & 1977-95 Car (USA)