Mahle PowerPak Forged Piston and Ring Kit - 4.155 in Bore - 1.0 x 1.0 x 2.0 mm Ring Groove - Plus 11.10 cc - Small Block Chevy RG30003XL These high performance thermostats are

These high performance thermostats are designed to resist large variations in coolant pressures that occur at high RPM's where coolant temperature and coolant pressure fight for control of the thermostat keeping it from opening at its designated temperature

1966-1972 Chevrolet El Camino

Previously used exclusively in the aerospace industry

230┬║ Water Temp 1/2" NPT sender onlyLongacre is an established brand name in the racing industry and is recognized for dedication to quality

3 in Inlet to 2-1/8 in Outlet

Mahle PowerPak Forged Piston and Ring Kit - 4.155 in Bore - 1.0 x 1.0 x 2.0 mm Ring Groove - Plus 11.10 cc - Small Block Chevy RG30003XL These high performance thermostats areEvery Mahle piston is backed by 90 plus years of racing heritage and technology. From the invention of the first aluminum piston to the most advanced design and machining processes being used today, MAHLE delivers unmatched performance and durability. MAHLE's light weight, low drag, design specific forgings are machined with close attention given to ring groove quality, tolerances and consistency. All Mahle pistons are dual or triple coated, adding