MSD MSD8121 Product:Replacement Pro Mag Cap & Wire Retainer Outside Diameter(measured end of hex

Outside Diameter(measured end of hex finisher)- 54

2017 Isuzu MU-X 3

Easy to use

813 in (249 mm) Outside Diameter: 12 in (305 mm) Top Style: Open Top Material/Finish: None Filter Material: Cotton Gauze Flanges: None Filter Re-Oiling Amount: 1

- V-Band Weld on Ferrule Lip Outside Diameter - 114

MSD MSD8121 Product:Replacement Pro Mag Cap & Wire Retainer Outside Diameter(measured end of hexReplacement Pro Mag Cap & Wire RetainerFits Pro Mag PN MSD8130, MSD8140, MSD8150, MSD8160 Brand: MSD Part Number: MSD8121 Description: Racing produces high winds and severe vibrations which can actually "whip" a plug wire causing it to fall off. With an MSD Wire Retainer this is impossible! These Retainers will securely hold the Pro Mag cap in place while locking the spark plug wires to the terminals.