GT500 & Cobra Jet Intake Valve Springs (16)

PAC-1230X springs for GT500 & Cobra Jet intake valves   OD Large End 1.083 ID Large End 0.720 ID Small End 0.636 Install Height 1.715 Load at Installed Height 120 Spring Open Height 1.165 Spring Open...

Livernois 4.6L/5.4L 3V Cam Phaser Variable limiters

These limiters are required when using longer duration camshafts that have a more narrow LSA.  Not all cams of this type need these, but the vast majority will. Simple in design and requiring no special tools to install, the limiting lockouts allow...

Livernois GEn 1 Coyote CAM PHASER VARIABLE LIMITERS

2011-2014 FORD 5.0L CAM PHASER VARIABLE LIMITERS   Livernois Motorsports understands the unique approach to today’s performance engines, and the need to improve power and efficiency through cylinder deactivation, variable valve timing and...

Manley 99-12 Ford 4.6L/281 5.4L/330 V8 37mm Race Series Stainless Steel Intake Valves (Set of 8) - 11639-8

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 RPMThis Part...

Manley 99-12 Ford V8 4.6L/281 5.4/330 45.5mm Race Series Stainless Steel Intake Valves (Set of 8) - 11640-8

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 RPMThis Part...

Manley Ford 4.6L & 5.4L SOHC 44.5mm Race Master Intake Valves *Set of 8* - 11636-8

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 RPMThis Part...

Manley Ford 4.6L 34mm Diameter 117.35mm Length Race Master Exhaust Valves (Set of 8) - 11630-8

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 RPMThis Part...

Manley Ford 4.6L 35mm Race Master Exhaust Valves *Set of 8* - 11632-8

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 RPMThis Part...

Manley Ford 4.6L 37.5mm Diameter 117.35mm Length Race Master Exhaust Valves (Set of 8) - 11631-8

Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted...

Manley Ford 4.6L 38.5mm Race Master & Extreme Duty Exhaust Valves *Set of 8* - 11633-8

Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted...

Manley Ford 4.6L DOHC (4 Valve) Triple Groove 30mm Race Master Exhaust Valves - 11615-8

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 RPMThis Part...

Manley Ford 4.6L DOHC (4 Valve) Triple Groove 31mm Race Master Exhaust Valves - 11617-8

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 RPMThis Part...