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Product Summary

2.3, 3.86" Bore Size

  • Full gasket set #910-12078 is a 2.3 Ford application '75-'86 with two-piece rear main seal
  • Will also work for a '82-'86 2.3 Ford, which uses the one-piece rear mail seal, but the one-piece #910-12975 must also be purchase
  • If using '82-'86, must also purchase #91012705

Key Specs

MFG. Part #91012078
BrandSpeedway Motors

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Details

Racing gasket set for 2.3 Ford. Kit includes two rear main seals to cover multiple applications: one 2-piece rear main seal (1974-1981) and one 1-piece rear main seal (1981-1993). Includes "composition" head gasket.

Item Details

'''74-''81 2-piece main
''82-''93 1-piece main'

Specifications

KEY SPECS
MFG. Part #91012078
BrandSpeedway Motors
GENERAL
Sold in QuantitySet
NotesBore size dimension is a close approximation. Will fit both 1974-1981 and 1981-1993 rear mains (both included). Head gasket thickness is .047" and .055" at the metal rings.
Bore Size3.86"