Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8)Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM

This system uses a high quality cross-linked polyethylene plastic

2022-2024 Audi A3 Premium 2015-2020

Our Legend series is designed to create our signature growl

In Nitrous Applications

Requires transferring the following parts from the original valley cover:

timing chain

more responsive feel over the stock rubber bushings

Includes factory connect leads

Show quality to fit racing vehicles with VW

Chevrolet: Corvette 98 - 04 5

2004-2006 GMC Yukon Denali 2001-2002

Air is directed through an aerodynamically engineered intake tube into the engine's throttle body for a guaranteed power gain