Cometic Product Release: Spring Energized MLS Head Gaskets (SEG)
Wednesday, April 29th, 2020

Extreme Sealing for High Horsepower Forced Induction Applications! The resilient nature of the seal ensures useful elastic recovery during service, this recovery aids in the seals ability to accommodate minor distortions in the clamped joint, making it conducive for elevated temperature and cylinder pressures like that seen in extremely high horsepower, forced induction applications.
Key Design Parameters:
• Sold Individually: L and R required to make a set for LSX, LS also sold individually, buy 2 to make a set
• Bores Available: 4.150”, 4.200”
• Jacket Construction: Iconel
• Spring Construction: Inconel
• Electro-Plating: Silver
• Approximate Seating load: 1100 lbf/linear inch
• Ring Finish: 16 micron
• Ring Thickness: .063” (pre-plating)
• No counter bores or ring grooves need
• Used exclusively with Cometic MLS .051” carrier for ring location and fluid sealing
• Low bore distortion
• Low risk for cylinder head wear
• Extended service life for components

Part#
Note: Sold Individually: L and R required to make a set for LSX, LS also sold individually, buy 2 to make a set
LSX Each kit contains 4 rings and 1 MLS carrier gasket
C15531-051 GM LSX 4.150 SEG HEAD GASKET .051" 6 BOLT KIT W RINGS RIGHT
C15532-051 GM LSX 4.150 SEG HEAD GASKET .051" 6 BOLT KIT W RINGS LEFT
C15537-051 GM LSX 4.200 SEG HEAD GASKET .051" 6 BOLT KIT W RINGS RIGHT
C15538-051 GM LSX 4.200 SEG HEAD GASKET .051" 6 BOLT KIT W RINGS LEFT
LS
C15540-051 GM LS 4.150 SEG HEAD GASKET .051" 4 BOLT KIT W RINGS
C15542-051 GM LS 4.200 SEG HEAD GASKET .051" 4 BOLT KIT W RINGS
Please contact info@cometic.com for any technical questions.