Cosworth

20001515

Cosworth 20001515 Performance Piston Rings

Rings

EJ25- 99.5mm
Subaru STi (04 and up)

(EJ25- 99.5mm) Built for the (04 and up) Subaru STi... This ring pack comprises of a tungsten coated stainless steel top ring with increased ring tension to reduce blowby at increased engine speed and combustion pressure. The ring pack is Cosworth specific and has been designed and validated for use in racing and road engines such as the Formula Atlantic and Caterham CSR260. Rings can only fit with Cosworth pistons. The pack includes a set of 4 top rings, 2nd rings and oil control rings.

Summertime Loons Rear Window Graphic
IMC 83533056044 DIESEL GLOW RELAY 0075459932
Mix me 951