Dual Valve Spring

• Type: Dual Spring
• OutSpr.OD: 28.1mm
• OutSpr.ID: 20mm
• InnSpr.OD: 20mm
• InnSpr.ID: 15.2mm
• Press.Seat: 82 @ 39.8
• Press.Open: 241 @ 12
• Max Lift: 15.1mm
• Coil Bind: 24.7mm
• Rate: 12.5mm
• Retainer: RET-K20A3/T1 + SEAT-HKA3