Super Clean Hi-Tensile Chrome-Silicon Steel
Specially Formed Structural Process for maximum performance & duability
Independently tested to out-perform any other steel valve spring on the market
Each set is 100% quality inspected & pressure matched
Longer life means more laps per dollar
Lower Cost, Winning Performance!

Designed for use in the demanding oval track market using roller tappet camshafts or where the increased spring pressure is required for maximum performance. Set of 16

• 1.610 OD dual
• .842 ID
• .780 max lift
• 235 lbs @ 2.050 installed height
• 645 lbs @ 1.300 open pressure
• Spring rate 547 lbs
• Coil Bind 1.220

Use Titanium Retainer# 517, VTR747
Use cup# 2605
Use ID Locator# 2681