Speed Pro Economy Piston Rings 4.155" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron SP120BK 5" (77-81) AxleContains Pinion and

5" (77-81) AxleContains Pinion and Carrier Bearings

CB Economy Series

Constructed with an 12" long

Use headers and lower gears

6 AN Female to 6 AN Male

Speed Pro Economy Piston Rings 4.155" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron SP120BK 5" (77-81) AxleContains Pinion andProduct Description: Piston Rings Economy 4. 155 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Cast Iron Natural 8 Cylinder From pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry leading performance engine technologies, from cutting edge Digital Diamond Profiled pistons to A Series bearings. They are engine components performance enthusiasts and racers can