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Manley Performance MAN Severe Duty Valves - Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set Of 8
Part #: 11843-8
$301.07 For each
Fits On:
Vehicle-specific - contact us to verify fitment
Description:
Manley's Severe Duty Series BBC stainless steel exhaust valves measure 1.880 inches in diameter and 5.422 inches in length, sold as a set of 8. Each valve is made from Manley's XH-428 exhaust alloy and features chrome stems, hard tips, and swirl-polished underheads with fully machined combustion faces.
Manley's Severe Duty Series BBC stainless steel exhaust valves measure 1.880 inches in diameter and 5.422 inches in length, sold as a set of 8. Each valve is made from Manley's XH-428 exhaust alloy and features chrome stems, hard tips, and swirl-polished underheads with fully machined combustion faces.
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.
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.
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.
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.
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