Audi 4.2L 40V, Supertech Valve Spring Package COMPLETE (BHF, BBK)

Complete Supertech package for the 4.2L 40V Chain engine. Kit 1: This package includes our proprietary Supertech standard size valves.  Reusing your factory triple groove valve keepers is required.  Supertech Black Nitride Intake Valves (Standard Size) Supertech Inconel Exhaust Valves (Standard Size) Supertech Intake Valve Springs Supertech Dual Exhaust Valve Springs Supertech Exhaust Valve Spring Seat Locators Supertech Titanium Retainers Supertech Valve Guides Viton Valve Guide Seals Kit 2: This package includes oversized valves and is to only be used with aftermarket pistons which incorporate a larger valve relief. Our AMTuned Piston & Rod package is a perfect solution for this package. Looking for a trusted source to rebuild your cylinder heads? We have you covered! Click here for out cylinder head rebuild service. Supertech Black Nitride Intake Valves +1mm  Supertech Inconel Exhaust Valves +1mm Supertech Single Groove Valve Keepers Supertech Intake Valve Springs Supertech