Cannot Establish a Secure Connection

The Internet Browser you are using cannot establish a secure connection to SummitRacing.com or JavaScript is disabled which will prevent you from being able to Log In or Checkout. If JavaScript is enabled the problem is likely due to SSL 3.0 being your default SSL setting. This makes you vulnerable to the "POODLE exploit" and to ensure your security, it is not allowed on our site. Please change your browser security settings to not allow SSL 3.0 and check to make sure that JavaScript is enabled. You can also update your browser using these links.

Manley Severe Duty Series Stainless Steel Valves

You Have Selected

Display Options

Select the navigation view you prefer when narrowing your search.

Narrow Your Results

Catalog Quick Order:

Already know the part number you need?
Click here to enter them directly into your cart.

The Ultimate Gift for Gearheads!
In-Store Pickup Location Close
See parts for Manley
Manley Severe Duty Series Stainless Steel Valves

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.

Results 1 - 10 of 220

In-Store Pickup Location Select

View Compare

Manley 11854-8 - Manley Severe Duty Series Stainless Steel Valves

Click here for more information about Manley 11854-8 - Manley Severe Duty Series Stainless Steel Valves

Valves, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Set of 8

Not Yet Reviewed

Part Number: MAN-11854-8 More Detail...

Estimated Ship Date: Today

$247.97

  • Free Shipping

    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.

Manley 11843-8 - Manley Severe Duty Series Stainless Steel Valves

Click here for more information about Manley 11843-8 - Manley Severe Duty Series Stainless Steel Valves

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Set of 8

Not Yet Reviewed

Part Number: MAN-11843-8 More Detail...

Estimated Ship Date: Today

$247.97

  • Free Shipping

    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.

Manley 11679-8 - Manley Severe Duty Series Stainless Steel Valves

Click here for more information about Manley 11679-8 - Manley Severe Duty Series Stainless Steel Valves

Valves, Exhaust, XH-428 Stainless, 1.610 in. Head Diameter, 5.230 in. Length, Chevy, 7.0L LS, Set of 8

Not Yet Reviewed

Part Number: MAN-11679-8 More Detail...

Estimated Ship Date: Today

$247.97

  • Free Shipping

    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.

Manley 11815-8 - Manley Severe Duty Series Stainless Steel Valves

Click here for more information about Manley 11815-8 - Manley Severe Duty Series Stainless Steel Valves

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Set of 8

Not Yet Reviewed

Part Number: MAN-11815-8 More Detail...

Estimated Ship Date: Today

$247.97

  • Free Shipping

    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.

Manley 11823-8 - Manley Severe Duty Series Stainless Steel Valves

Click here for more information about Manley 11823-8 - Manley Severe Duty Series Stainless Steel Valves

Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.036 in. Length, Chevy, Set of 8

Not Yet Reviewed

Part Number: MAN-11823-8 More Detail...

Estimated Ship Date: Today

$247.97

  • Free Shipping

    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.

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

Click here for more information about Manley 11688-8 - Manley Severe Duty Series Stainless Steel Valves

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

Not Yet Reviewed

Part Number: MAN-11688-8 More Detail...

Estimated Ship Date: Today

$247.97

  • Free Shipping

    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.

Manley 11854-1 - Manley Severe Duty Series Stainless Steel Valves

Click here for more information about Manley 11854-1 - Manley Severe Duty Series Stainless Steel Valves

Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Each

Not Yet Reviewed

Part Number: MAN-11854-1 More Detail...

Estimated Ship Date: Today

$33.97

Manley 11850-8 - Manley Severe Duty Series Stainless Steel Valves

Click here for more information about Manley 11850-8 - Manley Severe Duty Series Stainless Steel Valves

Valves, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.344 in. Length, Chevy, Set of 8

Not Yet Reviewed

Part Number: MAN-11850-8 More Detail...

Estimated Ship Date: Today

$247.97

  • Free Shipping

    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.

Manley 11815-1 - Manley Severe Duty Series Stainless Steel Valves

Click here for more information about Manley 11815-1 - Manley Severe Duty Series Stainless Steel Valves

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Each

Not Yet Reviewed

Part Number: MAN-11815-1 More Detail...

Estimated Ship Date: Today

$33.97

Manley 11826-8 - Manley Severe Duty Series Stainless Steel Valves

Click here for more information about Manley 11826-8 - Manley Severe Duty Series Stainless Steel Valves

Valves, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 5.026 in. Length, Chevy, Set of 8

Not Yet Reviewed

Part Number: MAN-11826-8 More Detail...

Estimated Ship Date: Today

$247.97

  • Free Shipping

    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.

View Compare
>>

Page 1 of 22

Close