Manley Valve - Exhaust, Valve-S/D 1.600,+.100 1995-pontiac-firebird-esi9303444 these direct bolt-on replacements help

these direct bolt-on replacements help reduce wheel hop and improve cornering

s subframe connectors are manufactured from heavy-duty 1 5/8-inch steel tubing with laser-cut CNC-formed 3/16-inch steel plates

This allows the user the install the subframe connectors now and have them welded at a later date if desired

Designed specifically for the first generation Miata's hood lines and low pressure zones behind the radiator and above the wheel arches

Manley Valve - Exhaust, Valve-S/D 1.600,+.100 1995-pontiac-firebird-esi9303444 these direct bolt-on replacements helpManley 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