Performance Valve Springs Kit - Single Groove SPRK-HM1007BE/MC2 SPR-HM1007BE/MC2

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

Beehive Valve Spring for Single Groove Valves.

Set of 16 springs.

Features:

• TYPE: Dual Spring
• OUTSPR.OD: 28.00mm
• OUTSPR.ID: 18.80mm
• INNSPR.OD: 24.20m
• INNSPR.ID: 14.20mm
• PRESS.SEAT: 75lbs @39mm
• PRESS.OPEN: 203 @10mm
• MAX LIFT: 16.20mm
• COIL BIND: 22.80mm
• RATE: 12.80mm