Performance Valve Springs Kit - Single Groove SPR-EC3025D/MC SPRK-EC3025D-MC

This valve spring kit mounts to the stock OEM retainers and is for performance built engines that demand it.

Dual Valve Spring for Single Groove Valves.

Set of 16 springs.

Features:

• TYPE: Dual Spring
• OUTSPR.OD: 26.60mm
• OUTSPR.ID: 19.60mm
• INNSPR.OD: 19.40m
• INNSPR.ID: 14.20mm
• PRESS.SEAT: 70lbs @34.20mm
• PRESS.OPEN: 215 @11mm
• MAX LIFT: 14.10mm
• COIL BIND: 20.70mm
• RATE: 12.80mm