Plazmaman - Nissan SR20 Billet Main Girdle
Raise the limit of your SR20's bottom-end reliability with a Plazmaman billet main girdle.
Unlike the factory unit, the Plazmaman's billet girdle solidifies the lower components of the engine by tying the main caps to the intermediate sump. This prevents twisting and warping of the block under high horsepower
Essential to eliminating main cap walk for applications over 600rwhp / 450rwkW
- Comes pre-drilled to suit 1/2" ARP main studs.
- OEM diameter bolts can also be used.
- All bolts to fit onto the engine are supplied with a kit.