Dual Valve Spring

• Type: Dual Spring
• OutSpr.OD: 28.10mm
• OutSpr.ID: 20.00mm
• InnSpr.OD: 20.00mm
• InnSpr.ID: 15.20mm
• Press.Seat: in92/ex82 @40.7
• Press.Open: 232/222 @11
• Max Lift: 15.30
• Coil Bind: 24.70mm
• Rate: 12.50mm
• Retainer: RET-NRB60/TS + OEM seat + SEAT-TS1015 (Int) + SEAT-TS1015/2 (Exh)