Engine Valve Spring Checker 1989-pontiac-firebird-esi6878223 TF-600 Heat Shields are engineered

TF-600 Heat Shields are engineered for use on underbody components where rigid and robust shielding is required

Each valve features a one-piece forged titanium construction with superior grain flow to eliminate weak points and ensure long-term strength

These springs will drop your 1964-1966 GM A-body 1-inch

Does not include coil-overs or control arms

Brackets designed to fit factory rear ends

Engine Valve Spring Checker 1989-pontiac-firebird-esi6878223 TF-600 Heat Shields are engineeredHere's the affordable, portable way to test springs. The hex design body is very versatile: use it in a vise or an arbor press. These hydraulic models are supplied with a rubber gauge protector.