-40%

1970 LS6 3963512 4-BOLT MAIN ENGINE BLOCK (DATED D 7 70)

$ 1029.59

Availability: 100 in stock
  • Condition: For parts or not working
  • Manufacturer Part Number: 3963512
  • Country/Region of Manufacture: United States
  • Warranty: No
  • Brand: GM
  • Returns Accepted: ReturnsNotAccepted

    Description

    I CAN SUPPLY FORGED DOME PISTONS ANY SIZE TO MATCH THIS BLOCK FOR AS LOW AS 0 FOR THE PISTON SET (BRAND NEW FORGED PISTONS).
    PURCHASER TO RECEIVE:
    THIS IS A 3963512 4-BOLT ENGINE BLOCK WITH CASTING DATE D 7 70, DECODES APRIL 7TH, 1970.
    THIS BLOCK HAS BEEN PRESSURE TESTED AND CHECKED FOR LEAKS--IT HAS PASSED THE PRESSURE TEST.
    IT WILL NEED AT MINIMUM A LINE HONE AND CYLINDERS HONED FOR .065-.075 OVER PISTONS, IT SHOULD NOT NEED THE CYLINDERS BORED.
    DISCLAIMER:
    THESE ARE 50 YEAR OLD USED ANTIQUE BLOCKS THAT HAVE BEEN USED FOR DECADES. IT IS NORMAL FOR THESE BLOCKS TO HAVE THREAD REPAIRS, SLEEVES, AND OTHER REPAIRS SUCH AS WELD REPAIRS TO BE MADE RELIABLE DURING THE REFURBISHING PROCESS. THIS BLOCK HAS BEEN PRESSURED TESTED AND HOLDS 60PSI PRESSURE IN PRESSURE TEST. THIS BLOCK HAS HAD THREAD REPAIRS AND A WELD REPAIR BUT DOES NOT APPEAR TO HAVE ANY SLEEVES. ALL SALES ARE FINAL.