Dual Valve Spring

• Type: Dual Spring
• OutSpr.OD: 27.50mm
• OutSpr.ID: 20.00mm
• InnSpr.OD: 20.00mm
• InnSpr.ID: 15.20mm
• Press.Seat: 63 lbs @34.20mm
• Press.Open: 164 @ 10.5mm
• Max Lift: 12.90mm
• Coil Bind: 20.70mm
• Rate: 12.10
• Retainer: RET-TS60/MA2 + (16) SEAT-TS/MA18I+OEM
• Note: (use '96 + Cotters)