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

• 1.580 OD dual
• .832 ID
• .730 max lift
• 235 lbs @ 1.950 installed height
• 610 lbs @ 1.250 open pressure
• Spring rate 536 lbs
• Coil Bind 1.170

Use Titanium Retainer# 517, VTR743, VTR747
Use cup# 2605
Use ID Locator# 2682