231 Buick Grand National/T Type GSX Forged Piston Set of 6 Includes Full Floating Pins & Locks. (3.400" Stroke x 5.960" Rod) -29cc Dish, 1.850" Comp Hgt, .940" pin, 1/16 1/16 3/16 ring grooves. Approx Comp Ratio 41cc-9.23, 46cc-8.73, 55cc-7.96
MADE IN THE U.S.A.