Speed Pro Premium Piston Rings 4.150" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 2010165 Works with stock manifolds

Works with stock manifolds

1967-1967 Mercury Caliente

Mounts MSD Ignition Boxes

OD and 2-1

Speed Pro Premium Piston Rings 4.150" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 2010165 Works with stock manifoldsProduct Description: Piston Rings Performance 4. 150 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Moly 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