Traum 89mm Forged Pistons for J series Engine

DescriptionTraum Forged Piston set for J series Engines. Includes Pistons, Rings, Wrist Pins, & Clips.89mm is the standard size piston for all J32 & J35 blocks.Here is the estimated compression ratio based on matching Crankshaft & Rods.Dish TopJ32 Crank & Rods = 9.2J35 Crank & Rods = 9.85J37 Crank & Rods = 10.15Flat TopJ32 Crank & Rods = 9.9J35 Crank & Rods = 10.6J37 Crank & Rods = 10.9Dome TopJ32 Crank & Rods = 10.8J35 Crank & Rods = 11.75J37 Crank & Rods = 12.1Tall Dome TopJ32 Crank & Rods = 11.5J35 Crank & Rods = 12.4J37 Crank & Rods = 12.75