Kirkey 37 Series Micro Sprint Seat 10 Degree w/ Cover - 14" 36000BK 4 in Diameter

4 in Diameter

1958-1959 GMC PM250

Part Number: 890007B

clearance of sway bars etc

modified OEM cylinder heads or equivalent

Kirkey 37 Series Micro Sprint Seat 10 Degree w/ Cover - 14" 36000BK 4 in DiameterDesigned for 600 Micro Sprints, Mini Sprints.(For 270 Micros see 40 Series KIT) Available in five (5) sizes 12", 13", 14", 15" 16". Unique 3 part design for maximum vertical customization. Seat has 3" of vertical torso and shoulder height adjustment. Head restraint has 2" of vertical adjustment, 1 1 2" of lateral adjustment. Head restraint has 1 2 " horizontal adjustment so Right Head Pad can be moved closer to helmet. Head can be rotated down for