The Kiggly 6-bolt main girdle ties all the main caps together, greatly stiffening and strengthening your engine's bottom end. Cap to block fretting and bearing end/tang fretting are eliminated. Fits 4G63 and G4CS Blocks with minor grinding, must use main studs.

Vehicle Fitment:
6-Bolt 4G63 DSM

Features:
• 6-Bolt Main Girdle Fits 4G63 and G4CS blocks
• Recommended in all builds above 350hp
• Requires minor engine block grinding at the lower two rear main cover bolts
• Requires using main studs (ARP is one popular brand)
• Stiffens the main caps and eliminates or greatly reduces main cap to block flex and fretting
• Recommended to line hone the engine with the girdle installed

Includes:
(1) Two-Piece Girdle