Supertech Nissan 240SX KA24 89.5mm (0.5+) -27cc Dish 8.6:1 CR Piston - Set of 4 (Excl Rings)

Supertech Pistons are crafted from extruded high silicone, enhanced 4032 alloy, offering low thermal expansion, superior wear resistance, and high thermal conductivity. Engineered to endure up to 42psi of boost with alcohol, these pistons undergo a two or three-step forging process, CNC machining, and heat treatments to achieve high tensile strength and uniform hardness. They feature contact reduction grooves, honed and reamed pin bores, cold extruded chrome moly steel wrist pins with wire clip locks, and a phosphate dry lubricant coating to safeguard rings and enhance skirt/cylinder lubrication. These pistons are specifically designed for turbo/nitrous applications, ensuring robust performance under extreme conditions.