Tomei Valve Guide Set - Nissan SR20DET S14/S15 clearance20 DC) utilizes a return system

DC) utilizes a return system

has improved the output by about 40ps compared to stock

the cylinder block due to its boxer structure which has 2 separate crank cases bolted together

Your cooling system's capacity will also be increased by roughly

The TE37V 2324 MODEL is based on this TE37V and is given a special feel with its matte black finish and the "RAYS" lettering applied to the disc spokes using RAYS' patented AMT technology

Tomei Valve Guide Set - Nissan SR20DET S14/S15 clearance20 DC) utilizes a return systemWe chose to use Phosphor Bronze (Cn Sn P alloy) to make our Valve Guides, for its highly tensile and superior heat transferring ability, which is vital, Intake, high power and high RPM outputting engines. Since race engines these days require more power at higher RPM use , these engines now experience more extreme heat conditions. These conditions will increase the deterioration rate on these valve train related components. The Phosphor Bronze