Earls Header Gaskets - Pressure Master - 396-454 Chevrolet Big Block Mark IV 1965-90 #29D04B2ERL

  • Sale
  • $2.16
  • Regular price $34.32
Shipping calculated at checkout.

Limited To Stock On Hand - Replacement Insert Set, Chevy Big Block, (Uncut Centers)
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.

Installation Notes: This part is limited to stock on hand. This means once current inventory is sold out, it will not be back ordered nor will it be built again. In the rare case where a product is oversold, your order may be partially filled or canceled and payment will be refunded.


  • 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
Brand Earls
Collector Gaskets Included No
Emission Code 4
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"
Warning California Proposition 65

Click here for Instructions for Part# 29D04B2ERL