Speed Pro Premium Piston Rings 3.950" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 4704021-20-L The key to making excellent

The key to making excellent torque and horsepower comes from using the smallest port for a given amount of airflow and then matching the correct port size to the airflow requirements of your application

Designed with Impact's exclusive high-grip fluted sole

0L (EXCLUDES COBRA) 76MM 24# CAC MASS AIR METER FOR EXISTING MASS AIR EQUIPPED VEHICLES (BILLET ALUMINUM)Why follow when you can lead

See 896806-1 for a single pushrod or 896806-KIT for a complete kit with shims

Speed Pro Premium Piston Rings 3.950" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 4704021-20-L The key to making excellentProduct Description: Piston Rings Performance 3. 950 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