Manley Valve - Exhaust, Valve-S/D 1.880,+.100 1987-pontiac-firebird-esi3246161 so they need all the

so they need all the help they can get

Popular product and application crossover: Dexron VI (GM88861003)

making them highly resistant to wear and tear

allowing for precise handling and articulation

BMR Suspension designed the MM461 to be the perfect (100% bolt-in) motor mount for any power level or application (street performance

Manley Valve - Exhaust, Valve-S/D 1.880,+.100 1987-pontiac-firebird-esi3246161 so they need all theManley Severe Duty Valves deliver the ultimate in strength, reliability, and high performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH 428 for exhaust and NK 844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400F, Manley exhaust valves endured 100 million cycles, while competitors failed after just