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Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8)
Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8)
Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8)
Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8)
Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8)
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Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8)

MAN11621-8
807298051192
Valves
20+ Units In Stock - Ships Next Business Day
$ 270.06 $ 202.55
$ 202.55

SKU: 11621-8 | UPC: 807298051192

Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) for 2007-2008 Cadillac Escalade GMC Yukon Hummer H2

Manley Race Series exhaust valves deliver reliable performance for bracket drag and oval track engines up to 8000 RPM. This set of 8 fits Chevy LS-3 and L-99 small block V8s with L-92 rectangular port heads in select 2007-2008 Cadillac GMC and Hummer models. Precision design ensures optimal airflow and heat resistance in high-rev applications.

Key Features

  • High RPM Capability: Handles demanding race conditions up to 8000 RPM for drag bracket and oval track use
  • Stainless Steel Build: Exclusive formula resists heat and wear for long-term reliability under extreme loads
  • Exact Specifications: 1.600 inch head diameter 5.000 inch length 11/32 inch stem diameter .390 inch head thickness for drop-in fit
  • Complete Set: 8 exhaust valves cover full bank replacement on LS small blocks
  • Precision Machining: CNC-crafted for smooth flow tight seals and consistent operation

Product Notes

  • Exhaust valves only intake valves sold separately
  • Pair with matching performance valve springs and titanium retainers
  • Packed in protective box for safe transit

Installation Notes

  • Professional installation recommended.
  • Confirm 11/32 inch valve guides in L-92 heads prior to install
  • Check valve-to-piston clearance and perform three-angle valve job

This Part Fits

Year Make Model Submodel
2007-2008 Cadillac Escalade Base
2007-2008 Cadillac Escalade ESV Base
2008 Cadillac Escalade ESV Platinum
2007-2008 Cadillac Escalade EXT Base
2007-2008 GMC Yukon Denali
2007-2008 GMC Yukon XL 1500 Denali
2008 Hummer H2 Base

Why Choose Manley?

  • Decades of racing expertise powering wins across drag and oval series
  • Advanced stainless alloys endure high heat and stress cycles
  • CNC precision manufacturing ensures flawless fit and flow

Frequently Asked Questions

  • Q: Does this fit 2007-2008 Cadillac Escalade 6.2L V8?
    A: Yes fits LS-3/L-99 engines with L-92 heads in 2007-2008 Escalade Base ESV Base EXT Base GMC Yukon Denali Yukon XL Denali and 2008 Hummer H2 Base
  • Q: What are the material and dimensions?
    A: High-strength stainless steel with 1.600 inch head dia 5.000 inch length 11/32 inch stem dia and .390 inch head thickness
  • Q: What warranty applies?
    A: Covered against manufacturing defects when installed by certified technicians using proper procedures

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Secure retail box 1 x 6 x 6 inches
  • Weight: 1.05 lbs

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