RPM Module Kit MSD87471 Product:7,100 to 7,900 rpm Some line modifications may be

Some line modifications may be necessary

Features: Includes dual stainless steel throttle return springs (P/N 20-89) Works on Holley models 4150 and 4160 carburettors

For installing a Moroso or other brand billet aluminum or steel fabricated oil pans on a GM LS engine Designed to make pan installation easy and prolong gasket life Lock nuts feature attached washers with serrated faces to provide a positive grip on the pan rail Studs are made of heat-treated Grade 8 steel with black oxide finish nuts are cadmium and zinc plated 13 - 8mm x 1 x 40mm stud

25 in (133 mm) Top Outside Diameter: 5

It features stainless steel reusable and cleanable filter mesh

RPM Module Kit MSD87471 Product:7,100 to 7,900 rpm Some line modifications may beRPM MODULE KIT 7100 7900 7100, 7300, 7500, 7700, 7900 MSD 87471 MSD87471 D87471 RPM Module Kits include five modules in 200 rpm increments. Each kit is within a 1,000 rpm range.