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Manley Performance

Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 1.575 Head Diameter Race Flo Exhaust Valves

Manufacturer part number: 11363-8

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CODE: MAN11363-8
$251.58
$188.69 Backorder — not currently in stock Sold out
BACKORDER — not currently in stock

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Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM.

  • Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
  • Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
  • Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
  • Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.
  • Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.

This Part Fits:

Year Make Model Submodel
2004-2005 Cadillac CTS V
1998-2002 Chevrolet Camaro Z28
1997-2004 Chevrolet Corvette Base
2001-2004 Chevrolet Corvette Z06
1998-2002 Pontiac Firebird Formula
2004 Pontiac GTO Base