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APR Performance APR Diverter Valves - APR 76-83 Porsche 911 R1

Part #: DV100001
$328.95
$296.06
For each
For each
Free Shipping! *to continental U.S. only
Fits On:
2005 Volkswagen Passat, 2003 Volkswagen Golf, 2003 Volkswagen Beetle, 2002 Volkswagen Golf, 2002 Volkswagen Beetle, 2001 Volks... See more
Description:
APR Performance's R1 Diverter Valve is CNC-machined from billet aluminum with a high-temperature Nomex-reinforced diaphragm, replacing the failure-prone factory unit on 1976-1983 Porsche 911 applications. The friction-free diaphragm design handles extreme boost pressures and requires no greasing or o-ring replacements unlike piston-based units.
APR Performance's R1 Diverter Valve is CNC-machined from billet aluminum with a high-temperature Nomex-reinforced diaphragm, replacing the failure-prone factory unit on 1976-1983 Porsche 911 applications. The friction-free diaphragm design handles extreme boost pressures and requires no greasing or o-ring replacements unlike piston-based units.
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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