Driveshaft Shop: 1989-1994 Nissan 240SX S13 Aluminum Driveshaft (RB25 Tophat Mounts) disc • 6 head bolt design

• 6 head bolt design with full water jacket around the cylinders (based on LS7 design)

These units come preset to 40 PSI and require no modification of turbocharger for a hassle-free installation

The down-pipe is 100% hand TIG-welded and uses a unique fabricated bellmouth design that increases exhaust velocity and eliminates low pressure drops which helps to scavenge the exhaust for increased power

A 5-1/2" diameter opening provides for maximum airflow

the difference is in low end drivability

Driveshaft Shop: 1989-1994 Nissan 240SX S13 Aluminum Driveshaft (RB25 Tophat Mounts) disc • 6 head bolt designFitment: 1989 1994 Nissan 240SX S13 with RB25 (5 Speed) using Tophat Mounts Non ABS Product Description S13 Non ABS with RB25 5 Speed using Tophat mounts Aluminum Shaft. This is our single shaft conversion for the 240SX platform. This is a complete 6061 T6 aluminum shaft that is about 1 2 the weight of the factory 2 piece. The shaft features larger, replaceable and greaseable u joints and can handle about 650WHP. By removing the factory 2 piece shaft