38423 | Trundles Billet Main Caps with Dowels to suit Isuzu 4JJ1 Engines

Trundles Billet Main Caps with Dowels to suit Isuzu 4JJ1 Engines

Note: Machining required: Once billet caps are installed, the block must be line-bored, and dowel recesses machined into the block. A must-have for any built motor aiming for maximum reliability and durability.

Includes:
5x Trundles Billet Main Caps - 4JJ1-BMC
10x Dowels 

Details:
- Direct Replacement
- If item is out of stock, the estimated time of arrival is 2-3 weeks.
- Offers superior engine durability under high torque and boost from modifications.
- Increases strength and reducing the risk of damage to surrounding equipment.
- Developed the Trundles Main Bearing Cap to address future performance and reliability concerns.