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1989-1991 GMC R1500 Suburban
2006-2010 Mercury Mountaineer
OFFROAD NEXUS plug
-8 (O-ring) inlet threads offer a large variety of plumbing options (come with an extended -8 O-ring to -8AN male adapter and -8 plug)
high-priced
COMP Cams Performance Street Beehive Valve Spring - 1.075 in / 1.310 in OD (Set of 12) 26-SLH-N 1989-1991 GMC R1500 SuburbanWith a . 600" maximum lift, these Beehive Valve Springs were designed for Hydraulic Roller cams. COMP Cams Beehive Valve Springs deliver increased valve train stability and a much lighter valve train. This is achieved with less spring pressure for better valve control and reduced weight of both the spring and retainer. The unique Beehive shape handles valve train stress more efficiently to eliminate damaging harmonics and increases high RPM horsepower
