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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

Estimated Ship Date: Monday 12/1/2014 Would you rather pick it up? Select Location

  • Order this item and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Brand: Manley
Manufacturer's Part Number: 11688-8
Part Type: 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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