Edelbrock 34016 Performer IAS Series Shock Absorber Comes in a classic gunmetal-grey finish with the Vintage Edelbrock logo Only automotive shock that incorporates the patented Ricor Inertia Active System Includes nitro-steel piston rods, heavy-duty welds and an attractive red powder coated finish Fits 4 wheel drive applications High-pressure gas mono-tube shocks come in a classic gunmetal-grey finish with the Vintage Edelbrock logo