MSD RPM Module Packs Product images may differ from actual product appearance. Each RPM Module Kit has 5 modules within a range of 1,000 RPM. Now 50-state legal via E.O. #D-40-16!

121-8743

3000, 3200, 3400, 3600, 3800 View this item

$27.99 Ships

121-87431

3100, 3300, 3500, 3700, 3900 View this item

$27.99 Ships

121-8744

4000, 4200, 4400, 4600, 4800 View this item

$27.99 Ships

121-87441

4100, 4300, 4500, 4700, 4900 View this item

$27.99 Ships

121-8745

5000, 5200, 5400, 5600, 5800 View this item

$27.99 Ships

121-87451

5100, 5300, 5500, 5700, 5900 View this item

$27.99 Ships

121-8746

6000, 6200, 6400, 6600, 6800 View this item

$27.99 Ships

121-87461

6100, 6300, 6500, 6700, 6900 View this item

$27.99 Ships

121-8747

7000, 7200, 7400, 7600, 7800 View this item

$27.99 Ships

121-87471

7100, 7300, 7500, 7700, 7900 View this item

$27.99 Ships

121-8748

8000, 8200, 8400, 8600, 8800 View this item

$27.99 Ships

121-87481

8100, 8300, 8500, 8700, 8900 View this item

$27.99 Ships

121-8749

9000, 9200, 9400, 9600, 9800 View this item

$29.99 Ships 02/16/12

121-87491

9100, 9300, 9500, 9700, 9900 View this item

$29.99 Ships

121-8750

10000, 10200, 10400, 10600, 10800 View this item

$29.99 Ships

121-8751

11000, 11200, 11400, 11600, 11800 View this item

$29.99 Ships

121-87436

MSD Ignition RPM CHIP SET 3-3800 Marine View this item

$35.99 Ships 02/23/12

121-87456

5000, 5200, 5400, 5600, 5800 View this item

$62.99 Ships

121-87466

6000, 6200, 6400, 6600, 6800 View this item

$62.99 Ships

121-87476

7000, 7200, 7400, 7600, 7800 View this item

$69.99 Ships 02/23/12