Supertech R53 Beehive Spring, Retainer & Shim Kit

Includes the following;

• SPR-HM1007BE / SPR-HM1007BE-MC2 - Springs (16)
• RET-MIN53-BE / RET-M65/TBE - Titanium Retainers (16)
• SS2717-2 - Valve Spring Shim (16)
• KPR-6T-ST - Valve Keepers (32)

Sear Pressure: 75lbs @ 39mm

Rate: 12.80 lbs/mm

Spring Coil Bind: 22.80mm

Max Net Lift: 16.20mm