MSD RPM Module Kit - 6100-6900 RPM - Odd Increments H762C04XS VMAC's Hex Rear End Plug

VMAC's Hex Rear End Plug Kit makes Ring & Pinion inspections and filling the Rear End a breeze

6 AN Hose to 9/16-18 in Male

1991-1993 Buick Commercial Chassis

Battery not included

Fits Ford Small Block Engines originally equipped with "Old" firing order and 351 Windsor engines with the "Windsor" firing orderThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

MSD RPM Module Kit - 6100-6900 RPM - Odd Increments H762C04XS VMAC's Hex Rear End PlugRPM Module Kits include five modules in 200 rpm increments. Each kit is within a 1, 000 rpm range. Each kit is within a 1,000 rpm range. For example, the PN 8745 is supplied with: 5,000, 5,200, 5,400, 5,600, 5,800 modules. Product Description: RPM Module Chip 6100 6900 RPM 200 RPM Increments Odd Kit Racers never stop experimenting as they search for every way to wring out more power or handling performance to to gain an edge over the competition. The