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Butler Performance 8-Bolt to 11-Bolt Timing Cover Conversion Kit w/High Flow Water Pump, Pulley, Balancer, and Crank Pulley


1964-1967 326, 1964-1966 389, & 1967-1968 350 and 400 11-bolt Timing Cover Conversion Kit- (See note if Tri-Power)

Pricing: $689.95

Customize Your Item

- Choose Your Finish -
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- Choose Timing Cover Option -
 * required
- Choose Crank Pulley -
 * required
- Choose your balancer -
 * required


Pontiac 11 Bolt Timing Cover Conversion Kit

Includes a Pontiac 350-455 1969-79 11-Bolt Timing Cover, FlowKooler High Volume Aluminum Water Pump, Billet Aluminum 2 Groove Pulley Black Anodized or Aluminum Finish, Water Pump Plate and Sleeves, Alignment Sleeves, and all the gaskets needed to complete the conversion.

This kit converts your 1965-1967 326, 1965-1966 389, & 1967-1968 350 and 400 8-bolt timing cover/water pump to the better cooling, more efficient, 11-bolt style. Comes with upper pulley needed for the high flow water pump to work with all your existing pulleys and brackets.

Includes 4 Bolt Performance Balancer with Timing tape that will require the included AC or NON AC crank pulley for the conversion

Will not work on 1963 and older that came with 4 bolt timing covers

Water Pump Fan Hub Working Height 4 1/2" Shaft Diameter 5/8"

Pulley is for 4.50" water pump, 6 1/2" Diameter (A/C Applications/ Smaller Dia for Extra Cooling)

Reproduction timing covers will Not Work with Tri-Power. See option for Dimpled Reconditioned Cover


  • Butler Performance
  • New

Shipping Information

  • Item Requires Shipping
  • 20.0 lbs.

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