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Bill Mitchell Products Engine Block Aluminum Chevy 409 "W" 085575......BBC" Mains, 9.600"Deck, 4.310" Bore, Billet Caps, Standard Cam(includes, Screw in Freeze plugs, Screw in Cam plug, All dowel pins and Pipe plugs)

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  • Bill Mitchell Products Chevrolet 409 W Block
  • Bill Mitchell Products Chevrolet 409 W Block
  • Bill Mitchell Products Chevrolet 409 W Block
  • Bill Mitchell Products Chevrolet 409 W Block
  • Bill Mitchell Products Chevrolet 409 W Block
  • Bill Mitchell Products Chevrolet 409 W Block
  • Bill Mitchell Products Chevrolet 409 W Block
Bill Mitchell Hardcore Racing Products (BMP)
$5,850.75
Weight:
140.00 LBS
Shipping:
Calculated at checkout

 Product Description

The first new W-Block since the Sixties! Limited Production has been underway & we are shipping them in the same order as the orders are placed.  So if you have not ordered one, you had better order one NOW! Future production runs will be produced in very limited numbers sometime in the future. Developed in concert with the late great Lamar Walden. It is basically a standard BMP Big Block Chevy with a few differences. It accepts the following to assemble it...

1. BBC crankshaft up to a 4.250"
2. BBC harmonic balancer
3. BBC connecting rods
4. Custom 409 pistons
5. BBC timing chain and cover
6. BBC camshaft but with 409 lobe positions
7. 409 Lifters
8. BBC starter
9. BBC oil pan
10.409 style water pump
11.409 pulleys and brackets with the exception of needing a BBC bottom crank pulley
(Lamar Walden Automotive has a complete serpentine belt set up if needed )

 

TECHNICAL INFORMATION:

  • Deck Height: 9.600 Std
  • Bore Size: 4.240
  • Max Bore Size: 4.530
  • Cylinder Bore Spacing: 4.84"(stock)
  • Crankshaft: Standard BBC clearanced for 4.250
  • Rods: Standard
  • BBC Pistons: 409 special w/valve notches relocated
  • Cam: 409 special w/BBC cam bearing journals
  • Cam Location: Standard BBC Lifter
  • Location: Standard
  • 409 Lifters: Special 409 Lifters
  • Lifter Angles: Int.45°/ Ex.45°
  • Timing Chain: Standard BBC
  • Oil Pan: Standard BBC
  • Oil Pump: Standard
  • BBC Oil Pump Drive: Standard BBC
  • Timing Chain Cover: Standard BBC
  • Water Pump: Standard 409
  • Cylinder Heads: Standard 409
  • Intake Manifold: Standard 409
  • Distributor: Standard BBC w/.300 spacer under the collar 
  • Cam Bearings: Durabond CHP12
  • Oil Restrictors: BMP 701802-2
  • Dowel and Plug Kit: BMP 703892S-K
  • Rear Seal: FEL2904
    MORE INFORMATION:
  • Please contact Lamar Walden Automotive They have researched all the custom parts required and probably has them on the shelf!BMP 409 Instruction Sheet  PDF - Adobe Reader Required

 Warranty Information

See Standard BMP Products Warranty

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