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EFI 24x™ BBC

EFI Connection's 24x BBC systems are designed to output the 24x crank and 1x cam signal of a GM Gen III LS-Series engine. This means that LS1 compatible ECUs can now be used on 24x equipped BBC engines!

The differences in the variety of available BBC engines required us to design and manufacture many different 24x BBC conversion kits. Get started by using the conversion matrix below to choose the appropriate 24x BBC conversion for your engine.

* Mark IV and Gen V BBC engine support not available at this time

120 00061
PART # MARK IV
BBC ENGINE		 GEN V
BBC ENGINE		 GEN VI
BBC ENGINE		 SINGLE ROW
TIMING SET		 HD SINGLE ROW
TIMING SET		 STANDARD
DECK ONLY		 WITH 4.000"
24X RELUCTOR		 WITH 5.315"
24X RELUCTOR
120-00186 NOT
SUPPORTED		 NOT
SUPPORTED		 X X   X X  
120-00187 X X   X X  
120-00188 X   X X X  
120-00189 X   X   X  
120-00190 X   X X   X
120-00061 X X       X
Part # Description Price Qty
120 00153 120-00186 EFI 24x Crank Reluctor and Cam Sync Distributor Cap for BBC Engines w/ Standard Deck Height Only $210.00
120 00187 120-00187 EFI 24x Conversion Kit w/ 1x Cam Sync Distributor (w/ Production Replacement Timing Set) for BBC engines $525.00
120 00188 120-00188 EFI 24x Conversion Kit w/ 1x Cam Sync Distributor (w/ Heavy Duty Timing Set) for Gen VI BBC Engines $575.00
120 00189 120-00189 EFI 24x Conversion Kit w/ 1x HD Timing Set (w/ 4" Crank Reluctor) for Gen VI BBC Engines $850.00 Item is not For Sale
120 00190 120-00190 EFI 24x Conversion Kit w/ 1x HD Timing Set (w/ 5.315" Crank Reluctor) for Gen VI BBC Engines $850.00 Item is not For Sale
120 00061 120-00061 EFI 24x Conversion Kit w/ 1x Timing Set (w/ 5.315" Crank Reluctor) for Gen VI BBC Engines $925.00

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