Big Block Chevy Early Serpentine Conversion Kit

Kit adapts early (pre-1995) SBC V8 / V6 serpentine brackets to your BBC engine.

• These adapter plates let you bolt on OEM SBC serpentine brackets to your BBC engine.
• Get late model looks, reliability, and performance without the Chevrolet Performance price tag.
• Fits standard and tall deck engines.

• 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

• 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

• 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)
• View the Water Pump Pulley: (Kwik Performance PN 19418445).
• A reverse rotation water pump off of a 1988-1999 454 engine.
  • This is considered a "long" pump and is 7 5/16" from block to fan mounting surface.
  • View the Gates replacement Water Pump: (Kwik Performance PN 44030).
• A big-block crankshaft pulley, GM part number 10085753 (usually retails for $150+)
• Solution: We have developed an adapter to let you bolt on the SBC crank pulley from the donor engine.
• View the Crank Pulley Adapter for BBC engines (1966-93): (Kwik Performance PN K10259).
• View the Crank Pulley Adapter for BBC engines (1994-2000): (Kwik Performance PN K10540).
• Donor engine didn't come with crank pulley? We've got you covered: SBC Crank Pulley: (Kwik Performance PN 10085754).
• Six-rib belt, See our included installation instructions for suggested lengths and Gates part numbers.
  • Complete Gates belt chart available here. GATES BELT CHART
  • Alternator rating and PS pulley diameters can change suggested lengths.
  • Always check tensioner marks for correct fitment.
  • A tall deck engine will require a belt that is about 1" longer.
• A new thermostat housing may be needed to allow the upper radiator hose to clear the alternator.
• The Chevelle shown is using a swivel-neck housing.
• Upper radiator hose will probably need to change, but your vehicle's stock big-block lower hose, should work.

• Properly engineered using OEM reference drawings
• Computer tested with FEA (finite element analysis) software
• Field tested on shop test engines and in real-world test vehicles
• Backed by a no-hassle warranty and return policy
• Tech support before, during and after the sale