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    • 5 sets WILL REDO 5 ENGINES
    •  CHEVY NEW MAIN BEARING CAPS
      CONVERT 2 BOLT TO 4 BOLT!

    •  small block chevy
    • FITS SB CHEVY 265 283 305 327 350 ENGINES
    • 4 STRAIGHT BOLT HOLES
    • MADE MY CAT
    • Install the caps on the blocks and tighten the center bolts. Insert bushing into the side hole of the cap. For 3/8” bolts drill block with 5/16” drill bit, for 7/16” bolts drill with 3/8” bit, deep enough for the bolt plus and additional 1/8” clearance. Do not drill to deep or you will drill into the water jacket. Check to be sure bolt will not bottom out in hole. Remove the drill busing and use the cap itself as a tap fixture and tap the threads. For 3/8” tap 16 threads, for 7/16” threads tap 14 threads.