JE Pistons Ultra Series Subaru EJ205 92mm Bore 8.5:1 CR Set of 4 Pistons turn14-atp Brembo 06-08 Z4 M-Coupe/Roadster Rear

Brembo 06-08 Z4 M-Coupe/Roadster Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Drilled-Black

Dyno Proven gains of up to 12 hp and 13 lb-ft

it fits neatly behind the original bumper and requires no trimming or cutting

3 Liter C4

7L V6 Black Dual Short Ram Intake w/ MR Techn and Heat Shields

JE Pistons Ultra Series Subaru EJ205 92mm Bore 8.5:1 CR Set of 4 Pistons turn14-atp Brembo 06-08 Z4 M-Coupe/Roadster RearManufacturer Part # : 361318 Market Description Ultra 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