Manley Pontiac 400 Exhaust Valve Kit - 1.660in Head Dia. 5.230in O/A Length, 0.3415in Stem - 11353-8

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

Manley Pontiac 400 Exhaust Valve Kit - 1.770in Head Dia. 5.230in O/A Length, 0.3415in Stem - 11337-8

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

Manley Pontiac 400-428-455 1.770 Race Master Exhaust Valves (Set of 8) - 11355-8

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

Manley Pontiac 400intake Valve Kit - 2.110in Head Dia. 5.100in O/A Length, 0.3415in Stem - 11364-8

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

Manley Pontiac 400intake Valve Kit - 2.110in Head Dia. 5.215in O/A Length, 0.3415in Stem - 11352-8

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

Manley Porsche 914 2.0L 42mm Head Diameter Triple Groove Race Master Intake Valves (Set of 4) - 11628-4

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

Manley Race Master Series Big Block Chevy Stainless Steel 1.88in Exhaust Valves - Set of 8 - 11761-8

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

Manley Race Master Series Big Block Chevy Stainless Steel 2.30in Intake Valves - Set of 8 - 11726-8

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

Manley Race Master Series Big Block Chevy Stainless Steel 2.30in Intake Valves - Single - 11726-1

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

Manley Race Series Stainless Steel Exhaust Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11697B-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

Manley Race Series Stainless Steel Intake Valves Hemi 5.7L V8 1.575 Bead - Set of 8 - 11696B-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

Manley S/D 1.840/+.100 Severe Duty Exhaust Valves (Set of 8) - 11542-8

Manley 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),...