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
• .880 max lift
• 250 lbs @ 2.000 installed height
• 803 lbs @ 1.150 open pressure
• Spring rate 650 lbs
• Coil Bind 1.070

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