STK Performance Dual Racing Valve Spring Kit VW 1.8T 20v ( Exhaust )

Product Overview

Complete high-performance dual valve spring and forged valve kit for VW/Audi 1.8T 20v exhaust applications. Includes 21-4N Stainless Steel forged valves, Chrome Silicon dual valve springs, and Chromoly retainers. Rated up to 9000rpm.

What's Included

• 8 × inner valve spring
• 8 × outer valve spring
• 8 × Chromoly retainers
• 8 × Exhaust Forged Valve 30x6x115mm

Technical Specifications

Seating Pressure @ 34mm = 91lbs Full Lift = 200lbs Full Lift Pressure = 200lbs

Material Specifications

Forged Valves: 21-4N Stainless Steel - CNC machined, heat-treated Valve Springs: Premium Chrome Silicon Steel - Dual spring design Retainers: 4130 Chromoly Steel Performance Rating: 9000rpm capability Lift Capacity: Up to 14mm camshaft lift

Application

Designed for VW/Audi 1.8T 20v exhaust applications.

Installation Notes

Professional installation required. Not a straight forward replacement. Verify spring heights and valve travel to avoid coil bind.