Manley Performance MAN Valve Locks - Manley 7 Degree 8620 Steel Valve Locks (.3133in To .3136in) Machined Bead Set

Part #: 13098-16

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$77.79 For each

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Fits On:

2002 Pontiac Firebird, 2001 Pontiac Firebird, 2000 Pontiac Firebird, 1999 Pontiac Firebird, 1998 Pontiac Firebird, 2002 Chevro... See more

Description:
Manley's 7-degree valve locks are machined from 8620 steel and sized for stems measuring .3133 to .3136 inches. The machined bead design provides consistent lock engagement across the set.

FAQs

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.

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