Big Block GX390 and Clone - Titanium Dual Spring Retainer Set - GX390-Predator 420-Duromax 440-Wildcat 460-GX500-ZS GB620 - Pair

Billet titanium dual spring retainer for all non-hemi GX390, Predator 420, Duromax 440, Wildcat 460, and GX500. Also fits Zongshen GB620 and Duromax 500 engines using special keepers and race type valves. Not for use with stock type replacement valves and keepers.

Weight: 7.2g

Sold In Pairs

ONLY FOR USE WITH SPECIAL KEEPERS AND NON-STOCK TYPE VALVES

Click here for the keepers for these retainers.