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Manley Performance MAN Race Master Valves - Manley Ford 4.6L 38.5mm Race Master & Extreme Duty Exhaust Valves *Set Of 8*
Part #: 11633-8
$514.08 For each
Fits On:
2007 Ford F-250 Super Duty, 2006 Ford F-250 Super Duty, 2008 Ford F-250 Super Duty, 2007 Ford F-150, 2008 Ford F-150, 2006 For... See more
Description:
Manley Performance's Race Master and Extreme Duty Exhaust Valves are a set of 8 valves sized at 38.5mm for the Ford 4.6L engine. Designed for high-stress racing applications, these valves are built to handle the demands of serious competition use.
Manley Performance's Race Master and Extreme Duty Exhaust Valves are a set of 8 valves sized at 38.5mm for the Ford 4.6L engine. Designed for high-stress racing applications, these valves are built to handle the demands of serious competition use.
Q: What are valves? Why buy valves?
A: Valves are used to let a mixture of air and fuel into a cylinder and allow exhaust gases to get out. Each cylinder has at least two valves each, multi-valve engines have more, often four per cylinder. Upgraded head valves are able to withstand more heat from nitrous oxide use and turbo/supercharger use, so it's an excellent upgrade for people looking for added compression without sacrificing any reliability.
Q: How do you install valves?
A: Valves require headwork and should be left to the pros. While replacing valves, valve guides, retainers, valve springs and camshafts should all be considered for upgrades at the same time.
A: Valves are used to let a mixture of air and fuel into a cylinder and allow exhaust gases to get out. Each cylinder has at least two valves each, multi-valve engines have more, often four per cylinder. Upgraded head valves are able to withstand more heat from nitrous oxide use and turbo/supercharger use, so it's an excellent upgrade for people looking for added compression without sacrificing any reliability.
Q: How do you install valves?
A: Valves require headwork and should be left to the pros. While replacing valves, valve guides, retainers, valve springs and camshafts should all be considered for upgrades at the same time.
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