Gearkit Ratios

Subaru EJ255 WRX - 79 mm Stroke

With CAT Cams' precisely crafted camshaft solutions

00mm Intake / 11

Manley's connecting rods feature expanded mating surfaces to better distribute stress

BMW S14 Piston Set by Arias 630CSi Gearkit RatiosArias Forged Pistons for BMW S14B23 94mm Bore, 11: 1 Compression Mixing Power & Affordability Arias Pistons, backed by 55 years of high performance piston engineering experience, now offers a piston set for the BMW S14 platform. Manufactured from Arias forgings in the CP Carrillo facility in California, USA, these 94mm bore, 11: 1 compression forged pistons offer race proven durability and precision machining at a competitive price. Arias Forged