GReddy Nissan SR20DET S14/S15 Short Runner Intake Plenum for Stock Throttle Body

Rev higher and drive faster with confidence. Supertech’s 2.5L 20V 5 Cylinder valve spring & retainer kit uses high-quality steel and military certified titanium for durable performance.

Product Features

• Safely increase your power range
• Protects against valve float in high-rpm engines
• Complete kit of 20 valve springs & matching retainers
• Direct fit, no machining or modifications required
• Works with all stock or aftermarket valves
• Steel alloy valve springs with higher spring rates
• Low-weight & ultra-durable titanium retainers