Earl's Blank Inserts Header Seal #29D04B

Replacement Insert Set, Chevy Big Block, (Uncut Centers) - Designed and manufactured for Earl's by Parker-Hannifin Corporation, these seals are the first High Performance Seals developed to solve automotive sealing problems using Aerospace Technology.

Features:

• Uses Aerospace Technology
• Reusable/Adaptable
• Graphite Foil Sealing Inserts
• Virtually Leakproof
• Seals Up To 1200% Better
• Superior Torque Retention
• Longer Lasting Pre-Load
• 90% Break Loose Torque

Specification

• Collector Gaskets Included: No
• Engine: Chevrolet Big Block Mark IV
• Gasket Line: Pressure Master
• Material: Graphite Foil Inserts
• Port Shape: Uncut
• Port Size: Uncut
• Product Type: Header Gaskets
• Thickness: .100"