MRX Billet Main Caps suit Isuzu 4JJ1/4JK1 Engines

Regular price $1,549.00

MRX Billet Main Caps with Dowels to suit Isuzu 4JJ1/4JK1 Engines

- Research on engine durability under high torque and boost from modifications.
- Focus on increasing strength and reducing the risk of damage to surrounding equipment.
- Development of the MRX Bearing Cap to address future performance and reliability concerns.

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