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These adapter plates let you bolt on factory small block Chevy and V6 serpentine brackets to your big block Chevy engine.
Get late model looks, reliability, and performance from your Rat without paying big bucks or scouring the salvage yards for a rare factory BBC setup.
Your engine will look like it has the factory cast aluminum setup that GM never made, but should have!
Fits standard and tall deck engines.
Obtain your factory brackets from two different donor truck groups:
• 1990-1995 Full size trucks: V8 5.7L, V8 5.0L, and V6 4.3L
• 1987-1995 S10 pickups and S10 Blazers: V6 4.3L
What’s included:
Adapter plates made of 6061-T6 aircraft grade aluminum (brushed satin finish)
Zinc coated fasteners
Bolts for adapter plates AND to attach OEM brackets included
Both 3/8 and 7/16 bolts are included for the passenger side head, since the holes vary for different years
What else is required to complete the installation:
GM BBC engine (1966-1993) -or- (1994-2000)
366, 396, 402, 427, 454, 502, 572
AC and Alt/PS aluminum drive brackets off of a GM Truck engine listed above.
The brackets should include the idler and tensioner.
Air conditioner compressor (from donor vehicle)
Note: A good reason to use a 1994 and up compressor is that the compressor will use R134a refrigerant.
Alternator (from donor vehicle)
Power Steering Pump(from donor vehicle)
A smooth water pump pulley is required (GM part number 10085760 or 19418445)
Donor engines should have the correct pulley. (The pulley with flanges does not work)
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