MSD - For Older Style Crank Triggers 5 in ID Spring -

5 in ID Spring - 2 in Shock - Aluminum - Blue Anodized - AFCO 13T / 21 / 26 / 31 / 32 / 35 / 36 / 37 Series Shocks - Kit

50 Ratio - Full Roller - Self-Align - Aluminum - Natural - Small Block Chevy - Each

Air Filter Element - Magnum FLOW Pro DRY S - Panel - Reusable Cotton - White - Various Subaru Applications - Each

LS1 - Square Bore - Single Plane - Cathedral Port - Aluminum - Natural - Timing Control - GM LS-Series - Each

MSD - For Older Style Crank Triggers 5 in ID Spring -This is a replacement pickup for older style crank trigger systems that require a magnetic pickup. This pickup is magnetic and must be used with a trigger wheel equipped with steel studs to create a signal. The pickup is . 75" x 16" x 2. 25".