Intake Valves SUPERTECH Nissan RB25DET +1mm - Ø35,15mm

Intake Valves SUPERTECH for Nissan RB25DET engine, supplied as a set of 12.

Technical specifications

• Manufacturer : SUPERTECH
• Origin : Made in USA (San Jose, California)
• Part number : NIVN-1052-12
• Type : Intake Valve
• Head diameter : 35,15 mm (+1 mm vs OEM)
• Stem diameter : 5,97 mm
• Overall length : 86,75 mm
• Material : Stainless Steel (SS)
• Surface treatment : Black Nitrided
• Undercut (reduced stem section for lower weight and improved flow)
• Back-cut (rear head grind for improved flow at high lift)
• Packaging : Set of 12 (enough for 1 complete RB25DET engine, intake side)

SUPERTECH is a leading American manufacturer of high performance valvetrain components (valves, springs, seats, retainers) for motorsport applications. Its products are designed and manufactured in the USA to aerospace-grade precision specifications.

Applications

Compatible with Nissan RB25DET engines (all versions: S1, S2 and NEO):

• Nissan Skyline R33 GTS-T (ECR33) - RB25DET S1 et S2
• Nissan Skyline R34 GT-T (ER34) - RB25DET NEO
• Nissan Stagea WC34 (R33 wagon) - RB25DET
• Nissan Stagea WGNC34 (R34 wagon) - RB25DET NEO
• Nissan Laurel C34 et C35 - RB25DET
• Nissan Cedric / Gloria Y34 - RB25DET NEO

Important: +1 mm oversize valves require valve seat machining by a qualified workshop before installation. Verify compatibility with your cylinder head and valve guides.