Speed Pro Economy Piston Rings 4.030" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron NMO-MT-13 Can be used without turnplates

Can be used without turnplates

Cleaning Convenience:

smaller-than-standard hex head is ideal for tight spaces

Stock Application: 60-66 Imperial

1975-1977 Nissan 280Z

Speed Pro Economy Piston Rings 4.030" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron NMO-MT-13 Can be used without turnplatesProduct Description: Piston Rings Economy 4. 030 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Cast Iron Phosphate 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