Our manifold has been redesigned (9/20) to now be a one piece design for ease of installation

- Stainless steel technology "inox-line"

Handles extreme pressure better than OEM or MLS gaskets

039" = 1 mm

-Billet aluminum oil catch can with integrated dipstick

BMW M20B25 Piston Set by Arias Services Our manifold has been redesignedArias Forged Pistons for BMW M20B25 84. 5mm Bore, 8. 8: 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 M20B25 platform. Manufactured from Arias forgings in the CP Carrillo facility in California, USA, these 84. 5mm bore, 8. 8: 1 compression forged pistons offer race proven durability and precision machining at a competitive price. Arias