DESCRIPTION
Obtain maximum performance from your RN camshaft upgrade with a set of TSP Competition Valve Springs.
To achieve higher performance goals, these Competition Valve Springs are designed for 12.5mm of maximum lift, up to 11,000 RPM and has been tested upwards of 1300HP.
1999+ Volvo Valve Spring Part Number Reference: 31359507
Hardware Details:
- Direct replacement for Volvo RN valve springs, will work with factory retainers/washers
TECHNICAL DETAILS
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