Speed Pro Premium Piston Rings 99.00 mm Bore 1.50 x 1.50 x 3.00 mm Thick Standard Tension - Moly 91929939 Can be installed by hand

Can be installed by hand without the use of compression tools

Spring Steel

Developed by one of the top NASCAR engine builders

3/8 in NPT Thread Temperature Sensor

Includes selection of inlet-outlet fittings

Speed Pro Premium Piston Rings 99.00 mm Bore 1.50 x 1.50 x 3.00 mm Thick Standard Tension - Moly 91929939 Can be installed by handProduct Description: Piston Rings Performance 3. 897 in Bore Drop In 1. 5 x 1. 5 x 3. 0 mm 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