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 drag race market using roller tappet camshafts or where the increased spring pressure is required for maximum performance. Set of 16

• 1.640 OD dual
• .860 ID
• .900 max lift
• 280 lbs @ 2.100 installed height
• 794 lbs @ 1.250 open pressure
• Spring rate 605 lbs
• Coil Bind 1.150

Use Titanium Retainer# 516, VTR747
Use cup# 2605
Use ID Locator# 2681