MSD 2-Step Rev Control - For Digital 6AL 1994-gmc-c2500-esi2899253 Crankshaft Pulley - Gilmer -

Crankshaft Pulley - Gilmer - 16 Tooth - 1 in Wide - 3/8 in Pitch - 1 in Mandrel - 1/8 in Keyway - Aluminum - Black Anodized - Universal - Each

Cylinder Head Bolt Kit - Hex Head - Stainless - Polished - Mopar B / RB-Series - Kit

Fender Flare - Pocket Style - Front / Rear - 2 in Wide Front - 1

Fitting - Hose End - Real Street - PTFE Hose - 60 Degree - 8 AN Hose to 8 AN Female - Aluminum - Black Anodized - Each

646 in Oval Port - Rubber Coated Composite - Big Duke Heads - Big Block Chevy - Each

MSD 2-Step Rev Control - For Digital 6AL 1994-gmc-c2500-esi2899253 Crankshaft Pulley - Gilmer -Since the new Digital 6AL Ignition uses rotary dials to adjust the rev limiter, our engineers were tasked with developing a 2 Step Rev Control that could be added to give racers the ability to switch to a low rpm limit to use on the starting line. There are two easy to read rotary dials that let you set the launch rpm in 100 rpm increments. There is an activation wire that connects to the transbrake, a clutch switch or to the line lock to activate the