Induction Performance HD / MAX EFFORT Toyota 2JZ Forged Pistons by Diamond Racing - 87mm Bore - 90mm Stroke 3.2L head gaskets Application-specific hardware that is stronger

Application-specific hardware that is stronger than most competitors

Head Diameter: 34

digital LED display and sweeping LED “needle” that changes colors as AFR changes from rich to lean

It's not mandatory

before being given the green light to release to the public

Induction Performance HD / MAX EFFORT Toyota 2JZ Forged Pistons by Diamond Racing - 87mm Bore - 90mm Stroke 3.2L head gaskets Application-specific hardware that is strongerNow available: New HD MAX EFFORT pistons from Induction Performance and Diamond Racing! BORE: 87mm STROKE: 90mm (3. 2L) An evolution of our excellent standard forged line of 2JZ pistons, the new HD MAX EFFORT series is designed for the hardcore, big power builds and features many upgrades over our traditional piston. Robust full round forging design, for maximum strength Increased Top and 2nd ring land thickness designed to support the ring package