Traum 89mm Forged Pistons for J series Engine Style:Tall Dome Top 5°F at the start of

5°F at the start of a sustained hill climb and still held a 20°F advantage over stock at the end

Take control with multi-point adjustment that allow the driver to fine tune vehicle characteristics to suit their driving preference or conditions

preventing unfiltered air from bypassing the filter element

Twin rigid ceramic discs developed from decades of experience in drag racing

Traum 89mm Forged Pistons for J series Engine Style:Tall Dome Top 5°F at the start ofFITS: J Series 9th Gen Honda Accord Traum 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 Top J32 Crank & Rods = 9. 2 J35 Crank & Rods = 9. 85 J37 Crank & Rods = 10. 15 Flat Top J32 Crank & Rods = 9. 9 J35 Crank & Rods = 10. 6 J37 Crank & Rods = 10. 9 Dome Top J32 Crank &