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Manley Severe Duty Series Stainless Steel Valves 11688-8

Manley 11688-8 - Manley Severe Duty Series Stainless Steel Valves

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Valves, Intake, Stainless Steel, 2.205 in. Diameter, 0.313 in. Stem, 5.200 in. Length, Chevy, Set of 8

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Brand: Manley

Manufacturer's Part Number: 11688-8

Part Type: Valves

Product Line: Manley Severe Duty Series Stainless Steel Valves

Summit Racing Part Number: MAN-11688-8

Valve Head Diameter (in): 2.205 in.

Valve Head Diameter (mm): 56.007mm

Undercut Stem: Yes

Swirl-Polished: Yes

Overall Valve Length (in): 5.200 in.

Overall Valve Length (mm): 132.080mm

Valve Stem Diameter (in): 0.313 in.

Valve Stem Diameter (mm): 7.950mm

Valve Tip Length (in): 0.300 in.

Valve Tip Length (mm): 7.620mm

Valve Material: NK-844 stainless steel

Lock Groove Quantity: 1-groove

Lock Groove Style: Conventional

Approximate Weight (g): 120

Valve Head Style: 7 degree dish

Valve Seat Width (in): 0.085 in.

Quantity: Sold as a set of 8.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Manley Severe Duty series performance valves are a great choice for your high performance or race engine. All valves are made from stainless steel (intakes are NK-844; exhausts are XH-428) with chrome stems and hardened valve tips. Severe Duty series valves are made of superior materials, are fully machined and swirl polished, and are available with either undercut "Pro Flo" stems or straight stems.


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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