MSD RPM Module Kit - 3100-3900 RPM - Odd Increments 10248 Replaces standard 2"" GT styling

Replaces standard 2"" GT styling sleeve and reduces overall dish/offset by 1 inch

or rear end lube pumps

This heavy-duty

Lighter means less chance of valve float

MSD RPM Module Kit - 3100-3900 RPM - Odd Increments 10248 Replaces standard 2"" GT stylingRPM 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 3100 3900 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