1-Piece Rear Main Seal

$2,367.51
Ships directly from the manufacturer in 24hrs
Lowest Price Guarantee
Merlin III Cast Iron Engine Block
  • Big Block Chevy
  • 1-Piece Rear Main Seal
  • 4.495 in. Bore
  • 10.200 in. Deck Height
  • Nodular Iron Splayed Main Caps
  • View Details
    $2,367.51
    Ships directly from the manufacturer in 24hrs
    Lowest Price Guarantee

    $2,294.82
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Gen-VI Cast Iron Engine Block
  • Big Block Chevy
  • 1-Piece Rear Main Seal
  • 4.245'' Bore
  • 9.800'' Deck Height
  • Nodular Iron Main Caps
  • View Details
    $2,294.82
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Gen-VI Cast Iron Engine Block
  • Big Block Chevy
  • 1-Piece Rear Main Seal
  • 4.495'' Bore
  • 9.800'' Deck Height
  • Nodular Iron Main Caps
  • View Details
    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Gen-VI Cast Iron Engine Block
  • Big Block Chevy
  • 1-Piece Rear Main Seal
  • 4.595'' Bore
  • 10.200'' Deck Height
  • Nodular Iron Main Caps
  • View Details
    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    2-Piece Rear Main Seal

    $2,679.85
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.495 in. Bore
  • 9.800 in. Deck Height
  • 55 mm Cam Journal
  • Nodular Iron Splayed Main Caps
  • View Details
    $2,679.85
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.595 in. Bore
  • 9.800 in. Deck Height
  • Standard Cam Journal
  • Nodular Iron Splayed Main Caps
  • View Details
    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,679.85
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.595 in. Bore
  • 9.800 in. Deck Height
  • 55 mm Cam Journal
  • Nodular Iron Splayed Main Caps
  • View Details
    $2,679.85
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.595 in. Bore
  • 9.850 in. Deck Height
  • Nodular Iron Splayed Main Caps
  • View Details
    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,679.85
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.495 in. Bore
  • 10.200 in. Deck Height
  • 55 mm Cam Journal
  • Nodular Iron Splayed Main Caps
  • View Details
    $2,679.85
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,679.85
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.595 in. Bore
  • 10.200 in. Deck Height
  • 55 mm Cam Journal
  • Billet Splayed Main Caps
  • View Details
    $2,679.85
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.595 in. Bore
  • 10.250 in. Deck Height
  • Nodular Iron Splayed Main Caps
  • View Details
    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,294.82
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Mark-IV Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.245'' Bore
  • 9.800'' Deck Height
  • Nodular Iron Main Caps
  • View Details
    $2,294.82
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Mark-IV Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.495'' Bore
  • 9.800'' Deck Height
  • Nodular Iron Main Caps
  • View Details
    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Mark-IV Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.495'' Bore
  • 10.200'' Deck Height
  • Nodular Iron Main Caps
  • View Details
    $2,367.51
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,862.62
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Mark-IV Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.495'' Bore
  • 9.800'' Deck Height
  • Splayed Billet Main Caps
  • View Details
    $2,862.62
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $2,862.62
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Mark-IV Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.495'' Bore
  • 10.200'' Deck Height
  • Splayed Billet Main Caps
  • View Details
    $2,862.62
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $3,606.99
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Mark-IV Race-Prepped Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.500'' Bore
  • 9.800'' Deck Height
  • Splayed Billet Main Caps
  • View Details
    $3,606.99
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee

    $3,606.99
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee
    Merlin III Mark-IV Race-Prepped Cast Iron Engine Block
  • Big Block Chevy
  • 2-Piece Rear Main Seal
  • 4.500'' Bore
  • 10.200'' Deck Height
  • Splayed Billet Main Caps
  • View Details
    $3,606.99
    Ships directly from the manufacturer on 01/27/21
    Lowest Price Guarantee