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Manley Performance Manley Ford 4.6L DOHC (4 Valve) Triple Groove 30mm Race Master Exhaust Valves
Manley Performance Manley Ford 4.6L DOHC (4 Valve) Triple Groove 30mm Race Master Exhaust Valves
Manley Performance Manley Ford 4.6L DOHC (4 Valve) Triple Groove 30mm Race Master Exhaust Valves
Manley Performance Manley Ford 4.6L DOHC (4 Valve) Triple Groove 30mm Race Master Exhaust Valves
Manley Performance Manley Ford 4.6L DOHC (4 Valve) Triple Groove 30mm Race Master Exhaust Valves
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Manley Ford 4.6L DOHC (4 Valve) Triple Groove 30mm Race Master Exhaust Valves

MAN11615-8
807298000183
Valves
2 Units In Stock - Ships Next Business Day
$ 270.06 $ 202.55
$ 202.55

SKU: 11615-8 | UPC: 807298000183

Manley Ford 4.6L DOHC (4 Valve) Triple Groove 30mm Race Master Exhaust Valves 1999-2008 Mustang Cobra GT GT500

Manley Race Master exhaust valves deliver reliable performance for Ford 4.6L DOHC engines in high-stakes racing. These 30mm triple groove valves fit 1999-2001 Mustang SVT Cobra 2000 Cobra R 2005-2006 GT and 2007-2008 Shelby GT500 models. Designed for bracket drag and oval track use they handle engines up to 8000 RPM with proven durability.

Key Features

  • XH426 Stainless Steel: High-strength material resists heat and wear in extreme racing conditions
  • 30mm Head Diameter: Matches OEM specs for 4.6L DOHC with 115.50mm length and 7.980mm stem for direct fit
  • Triple Groove Design: Secure keeper retention prevents valve float at high RPM
  • Swirl Polished Finish: Reduces friction improves flow and extends valve life
  • Set of 8 Valves: Complete exhaust valve kit precision machined for Ford Modular engines

Product Notes

  • Intended for competition engines verify valve guide clearance before install
  • Pair with Manley valve springs for best results in high RPM applications
  • Ships in protective Manley packaging to prevent damage

Installation Notes

  • Professional installation recommended.
  • Check valve stem to guide clearance 0.001-0.003 inches required
  • Compatible with stock or aftermarket retainers and seals no special hardware needed

This Part Fits

Year Make Model Submodel
2005-2006 Ford GT Base
2007-2008 Ford Mustang Shelby GT500
1999 Ford Mustang SVT Cobra
2001 Ford Mustang SVT Cobra
2000 Ford Mustang SVT Cobra R

Why Choose Manley?

  • Decades of racing heritage in NHRA IHRA and dirt tracks
  • USA-made with tight tolerances for consistent performance
  • Backed by rigorous testing in pro racing engines

Frequently Asked Questions

  • Q: Will these fit 2003-2004 Mustang SVT Cobra?
    A: No these are specific to 1999-2001 Cobra 2000 Cobra R 2005-2006 GT and 2007-2008 GT500 4.6L DOHC confirm your engine code
  • Q: What material are the valves made from?
    A: XH426 stainless steel hardened for heat resistance up to 8000 RPM with swirl polished heads and 45-degree/30-degree seats
  • Q: What is the warranty and install process?
    A: Manley offers defect warranty contact for details installation requires valve job tools and pro mechanic for head work

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Manley branded box 6 x 4 x 1 inches
  • Weight: 1.8 lbs

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