Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11541-8

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...

Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8

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...

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11539-8

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...

Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.325in O/A Length, 0.3720in Stem - 11538-8

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...

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11537-8

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...

Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.433in O/A Length, 0.3720in Stem - 11536-8

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...

Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11535-8

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...

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.433in O/A Length, 0.3720in Stem - 11534-8

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...

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11533-8

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...

Manley Ford 289intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11532-8

Manley?s 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 Ford 289 Exhaust Valve Kit - 1.600in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11531-8

Manley?s 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 Ford 429 Exhaust Valve Kit - 1.760in Head Dia. 5.067in O/A Length, 0.3415in Stem - 11529-8

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...