Home > Engine Hardware > Crankshaft Signal Reluctors > EFI 58x™ Reluctors

EFI 58x™ Reluctors

Our EFI 58x™ reluctors generate a "60 minus 2" or 58x crankshaft signal that is commonly used with GM Gen IV LS-Series ECMs. Many aftermarket ECUs have excellent support for this 58x crankshaft signal.

120 00012
PART # V6/SBC/LT1
W/ SBC SNOUT		 SBC/LT1
W/ BBC SNOUT		 BBC
ENGINE		 4-INCH
DIAMETER		 5.315-INCH
DIAMETER		 SINGLE ROW
TIMING SET		 DOUBLE ROW
TIMING SET
120-00012 X     X   X  
120-00123 X     X   X X
120-00222   X   X   X X
120-00030     X X   X  
120-00148     X   X X X
Part # Description Price Qty
120 00012 120-00012 EFI 58x Crank Reluctor for Single Row Timing Set for SBC/LT1 Engines $195.00
120 00123 120-00123 EFI 58x Crank Reluctor for Double Row Timing Set for SBC/LT1 Engines $195.00
120 00222 120-00222 EFI 58x Crank Reluctor for Large Crank Snout for SBC/LT1 Engines w/ BBC Crank Snout $215.00
120 00030 120-00030 EFI 58x Crank Reluctor - 4 inch OD for BBC Engines $195.00
120 00259a 120-00259 EFI 58x Crank Reluctor - 5.315 inch OD for 4.3L and SBC Engines $150.00
120 00148 120-00148 EFI 58x Crank Reluctor - 5.315 inch OD for BBC Engines $180.00

Crankshaft Signal Reluctors

Best Sellers

6L80E T43 6L90E Transmission Connector Pigtail

100-00886
$56.99
View Item

LS Gen III Engine Wiring Systems: 1997-2007
EFI Connection owner Mike Noonan's newest book

SA516
$36.95
View Item