Speed Pro Premium Piston Rings 4.190" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly H764C35S Beware of those cheaper split

Beware of those cheaper split locks on the market

180 Degree Directional Mounting

Maximum operating voltage of 18 volts - for compatibility with both 12 volt and 16 volt electrical systems found in many performance/race applications

The side plates are made from heat-treated

May be used with stock bellhousing

Speed Pro Premium Piston Rings 4.190" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly H764C35S Beware of those cheaper splitProduct Description: Piston Rings Performance 4. 190 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