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Rear Main Seal Adapter Fits 1986-2002 Small Block Chevy Engine when Using a 1955-1985 Early Style Crankshaft & 1986-2002 Oil Pan
InfoVehicle Info Needed
JEGSPART NUMBER: 555-502501

Rear Main Seal Adapter Fits 1986-2002 Small Block Chevy Engine when Using a 1955-1985 Early Style Crankshaft & 1986-2002 Oil Pan

$10999$120.99You Save$11.00
5 left in stock
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

Rear Main Seal Adapters
Rear Main Seal Adapter
  • Fits 1986-2002 Small Block Chevy Engine
  • For use with a 1955-1985 Small Block Chevy Crankshaft and a 1986-2002 Oil Pan
  • Converts to a 2-Piece Rear Main Seal
  • Sold Individually

    JEGS 555-502501 Small Block Chevy Rear Main Seal Adapter Features:

    • Fits 1986-2002 small block Chevy engines when installing a 1955-1985 small block Chevy crankshaft
    • Converts to a 1955-1985 small block Chevy 2-piece rear main seal
    • Accepts a 1986-2002 oil pan
    • Works with standard flywheels or flex plates with a 3.625 in. bolt circle
    • Eliminates the need for external balance
    • Part TypeRear Main Seal Adapter
    BrandJEGS
    Package Height1.2
    Package Width7.0
    Package Length8.3
    Weight1.35 PG
    Part CategoryPerformance Parts
    Rear Main Seal Adapter Type1-piece to 2-piece
    Mounting Hardware IncludedNo
    Rear Main Seal Adapter FinishNatural
    Part FitmentSemi Universal
    Rear Main Seal Adapter MaterialBillet aluminum
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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    Some parts are not legal for use in California or other states with similar laws / regulations
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