EFI 24x™ LT1/LT4

Since 2008, our 24x LT1 conversions have been eliminating the optispark distributor and transforming LT1 engines.

EFI Connection's 24x LT1 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 LT1 engines!

The differences in the variety of available LT1 engines required us to design and manufacture many different 24x LT1 conversion kits. Get started by using the conversion matrix below to choose the appropriate 24x LT1 conversion for your engine.

120 00117
PART # 1992-1995
LT1 ENGINE
1996-1997
LT1 ENGINE
SINGLE ROW
TIMING SET
DOUBLE ROW
TIMING SET
MECHANICAL
WATER PUMP
ELECTRIC
WATER PUMP
WITH 2.25"
ATI HUB
WITH BBC
SNOUT
120-00067 X   X   X X    
120-00116   X X   X X    
120-00117 X X X X X      
120-00118 X X X X   X    
120-00090 X X   X   X    
120-00182 X X X X X   X  
120-00183 X X X X   X X  
120-00119 X X   X   X X  
120-00184 X X X X X   X X
120-00185 X X X X   X X X
120-00111 X X   X   X X X
Part # Description Price Qty
120 00067 BS 120-00067 EFI 24x Crank and Cam Signal Kit w/ CKP Sensor for 1992-1995 LT1/LT4 Engines w/ Single Row Timing Set $450.00
120 00116 120-00116 EFI 24x Crank and Cam Signal Kit w/o CKP Sensor for 1996-1997 LT1/LT4 Engines w/ Single Row Timing Set $440.00
120-00117.png 120-00117 EFI 24x Conversion Kit (w/ Mechanical Water Pump) for 1992-1997 LT1/LT4 Engines w/ Mechanical Water Pump $835.00

Out of stock

120-00118.png 120-00118 EFI 24x Conversion Kit (w/ Electric Water Pump) for 1992-1997 LT1/LT4 Engines w/ Electric Water Pump $825.00

Out of stock

120 00090 120-00090 EFI 24x Conversion Kit w/ 1x CMP in Timing Cover for 1992-1997 LT1/LT4 Engines $865.00
120 00182 120-00182 EFI 24x Conversion Kit (w/ Mechanical Water Pump w/ 2.25" Hub) for 1992-1997 LT1 Engines w/ Mechanical Water Pump w/ ATI 2.25" Hub $865.00

Out of stock

120 00183 120-00183 EFI 24x Conversion Kit (w/ Electric Water Pump w/ 2.25" Hub) for 1992-1997 LT1 Engines w/ Electric Water Pump w/ ATI 2.25" Hub $885.00

Out of stock

120 00119 120-00119 EFI 24x Conversion Kit w/ 1x CMP (w/ Electric Water Pump w/ 2.25" Hub) for 1992-1997 LT1 Engines w/ Electric Water Pump w/ ATI 2.25" Hub $880.00
120 00184 120-00184 EFI 24x Conversion Kit (w/ Mechanical Water Pump w/ BBC Snout) for 1992-1997 LT1 Engines w/ Mechanical Water Pump w/ ATI 2.25" Hub w/ BBC Snout $1100.00

Out of stock

120 00185 120-00185 EFI 24x Conversion Kit (w/ Electric Water Pump w/ BBC Snout) for 1992-1997 LT1 Engines w/ Electric Water Pump w/ ATI 2.25" Hub w/ BBC Snout $1100.00

Out of stock

120 00111 120-00111 EFI 24x Conversion Kit w/ 1x CMP (w/ Electric Water Pump w/ BBC Snout) for 1992-1997 LT1 Engines w/ Electric Water Pump w/ ATI 2.25" Hub w/ BBC Snout $1075.00