Hpa Compression Reduction Kit For Vw Mk4 R32 / Audi Tt (Mk1)

VW/Audi Performance Parts: HPA Compression Reduction Kit for VW Mk4 R32 / Audi TT Mk1 (HVA-1036)
  Product Features & Benefits Enjoy the peace of mind that every HPA built twin-turbo owner does and protect yourself against engine knock. For high boost/HP applications, HPA’s kit reduces your compression to 7:1, allowing your tuner to optimize ignition maps for varying fuel quality and octane grades. Laser cut and precision ground, HPA's steel head plates ensure perfect fitment. The lengthened timing chain is held under tension with an upgraded piston assembly, where HPA has integrated a clean oil source pick up for your turbo or supercharger hardware. A set of OEM head gaskets together with head bolts provide everything you need to complete your long block build. Included with the Compression Reduction Kit: Steel Head Spacer OEM Head Gaskets (2) OEM Head Bolts Oil Feed Pick Up Fitting / Line Tensioner Piston Lengthened OEM Timing Chain Additional Details Fitment: VW Golf Mk4 R32 Audi TT Mk1