YB Cosworth WRC / Long Rod Pistons

Now Available Forged IAPEL pistons for the legendary Ford / Cosworth YB Engine. Manufactured exclusively for MAR Motorsport by the leading producer of forged pistons in South America. IAPEL are active in many forms of motorsport. From wins in all… Continue Reading →

Original specification YB Cosworth valves

Brand New MAR Motorsport inlet & Exhaust valves for Cosworth YB engine type Suitable For Sierra Cosworth Escort Cosworth Plus any other YB powered vehicle! These valves have been manufactured exclusively for MAR Motorsport Ltd by an OE valve manufacturer… Continue Reading →

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