BKT3755C Alt Bracket Installation Instructions

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Alternator Bracket Kit Part Number BKT3755C
Fits: Chevrolet 6 cylinder 216 235 261 1st series engines 1937-55 Installing GM-10S1 and CS alternators with 3/8” or 5/8” pulley.

Kit includes:

  • Alternator easy fit bracket.
  • Belt tension rod.
  • Installation hardware kit.
  • Instructions.

Installation instructions:

  • Remove the old generator and generator mount from driver side of engine block
  • Install the easy fit bracket using the hardware provided.
  • Slide the bracket fore and aft to line up pulley.
  • Tighten the (2) 3/8 16 x 1 inch bolts in the block using the lock washers.
  • Mount the alternator using the 3/8” 3” cap screw and 3/8” nylon lock nut along with flat washer. Note: do not over tighten the nylon lock nut to allow alternator to swing. use small amount of white grease on the bolt to keep from seizing.
  • Attach the belt and belt tension rod using the 5/16” 18 x 1” using flat and split washer provided. Note: do not over tighten the belt, just tight enough to keep belt from slipping. When installing CS series alternator use the M8 1.25 25 metric cap screw which included in hardware kit.
  • The alternator bracket ears maybe a snug fit depending on your alternator, tap alternator lightly to fit.

Alternator Bracket Kit Part Number BKT3755C
Fits: Chevrolet 6 cylinder 216 235 261 1st series engines 1937-55
Installing GM-10S1 and CS alternators with 3/8” or 5/8” pulley.

Kit includes:

  • Alternator easy fit bracket.
  • Belt tension rod.
  • Installation hardware kit.
  • Instructions.

Installation instructions:

  • Remove the old generator and generator mount from driver side of engine block
  • Install the easy fit bracket using the hardware provided.
  • Slide the bracket fore and aft to line up pulley.
  • Tighten the (2) 3/8 16 x 1 inch bolts in the block using the lock washers.
  • Mount the alternator using the 3/8” 3” cap screw and 3/8” nylon lock nut along with flat washer. Note: do not over tighten the nylon lock nut to allow alternator to swing. use small amount of white grease on the bolt to keep from seizing.
  • Attach the belt and belt tension rod using the 5/16” 18 x 1” using flat and split washer provided. Note: do not over tighten the belt, just tight enough to keep belt from slipping. When installing CS series alternator use the M8 1.25 25 metric cap screw which included in hardware kit.
  • The alternator bracket ears maybe a snug fit depending on your alternator, tap alternator lightly to fit.

Click here to download the full guide with images