JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 - Piston Set 1979-mazda-rx-7-esi6918590 This cover snaps onto the

This cover snaps onto the air intake housing with magnets making for a hassle-free installation

X-Series Pressure Gauge 0-100psi - 0-7bar Accessory Kit

Data Logging: Record multiple data channels simultaneously for in-depth evaluation of engine performance

ARP 7/16-20 1/2 Socket 12pt Nut Kit

The byproduct of a true performance-designed intake is more than power

JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 - Piston Set 1979-mazda-rx-7-esi6918590 This cover snaps onto theUltra Series forged pistons from JE are the industry? s strongest, most fully featured pistons available off the shelf. Offered for a wide range of import and sport compact applications from 2JZ to 4G63 and Audi to BMW, Ultra Series pistons feature JE? s proprietary Aligned Grain Flow forging technology providing next level tensile strength ideal for the extreme cylinder pressures of power adder engine builds. Equipped with custom level features