Manley Chevrolet LS1 And LT1 .800 Lift Valve Spring -1.324 Double (Single) - 221421-1

From drag strips to short track and endurance circuits, the Manley NexTek® series is engineered for serious racers. NexTek® springs resist pressure loss and valve-train degradation even in the most...

Manley Ford 4.6L / 5.0L H Tuff Series Connecting Rod Set w/ ARP 2000 Bolts (Single) - 15042R-1

Manley's Pro Series I-Beam Connecting Rods represent the epitome of precision, performance, and quality. Engineered with meticulous attention to detail and a finely tuned manufacturing process, these...

Manley 03-06 Evo 8/9 (4G63T) T/T Pro Series I Beam Connecting Rod Single (6mm longer) w/ 625+ Bolt - 14421R6-1

Manley's Turbo Tuff® I-Beam Connecting Rods represent the epitome of precision, performance, and quality. Engineered with meticulous attention to detail and a finely tuned manufacturing process,...

Manley Pro Series I-Beam Connecting Rods 6.750 Length set of 8 - 14175-8

Manley's Pro Series I-Beam Connecting Rods represent the epitome of precision, performance, and quality. Engineered with meticulous attention to detail and a finely tuned manufacturing process, these...

Manley Ford 3.5L/3.7L EcoBoost ARP 2000 6.011in L w/ .9063in Pin H Beam Connecting Rod - Single - 14082R-1

When it comes to H-Beam connecting rods, not all are created equal. Manley's H-Beam Series stands out as a superior choice, offering exceptional quality at an economical price point. These connecting...

Manley Ford 5.4L Modular 6.657in. Length H-Beam Connecting Rod (Set of 8) - 14040-8

When it comes to H-Beam connecting rods, not all are created equal. Manley's H-Beam Series stands out as a superior choice, offering exceptional quality at an economical price point. These connecting...

Manley Loc-7 Deg Machined Bead Loc Valve Lock - 13086-1

Manley Valve Lock/Keeper, LOC-7 DEG MACHINED BEAD LOC.

Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1

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 Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8

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 Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8

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 Titanium Valves 2.400 Head Dia - Set of 8 - 11998B-8

Manley Titanium Valves are expertly designed to reduce valvetrain weight, improve efficiency, and excel in high-RPM applications. Lightweight yet incredibly strong, they enhance throttle response,...

Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8

Manley Titanium Valves are expertly designed to reduce valvetrain weight, improve efficiency, and excel in high-RPM applications. Lightweight yet incredibly strong, they enhance throttle response,...