Chevy GM LS1 Downdraft + FiTech Ultra EFI Fuel Injection System [Black] the Speedmaster piston oil ring

the Speedmaster piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range

These drives fit under your stock timing cover and come complete with instructions

resistance and turns ratios to deliver10-15% more energy than the OEM coils

The main difference is that there is an open area under the plenum chamber

Complete kit with Multi-Layer Steel (MLS) Head Gaskets

Chevy GM LS1 Downdraft + FiTech Ultra EFI Fuel Injection System [Black] the Speedmaster piston oil ringDiscover the zenith of fuel injection innovation with our enhanced Downdraft 8 Stack EFI Intake Manifold System, now impeccably paired with FiTech's sophisticated computer technology. This upgraded combination elevates the standard in electronic fuel injection, offering an unmatched solution for a wide spectrum of vehicles, from everyday use to high powered performance.