Chevy GM LS1 LS2 LS6 Fabricated 102mm EFI Ram Air Intake Manifold Black The Speedmaster TDS ring and

The Speedmaster TDS ring and pinion sets are engineered manufactured and tested for maximum performance

They take the place of your head bolt washers and are hardened and chamfered

Nitrous/injector bosses

Will work with any Speedmaster or Speedmaster bellhousing

Speedmaster flexplates make excellent upgrades to your stock design

Chevy GM LS1 LS2 LS6 Fabricated 102mm EFI Ram Air Intake Manifold Black The Speedmaster TDS ring andWe designed our fabricated aluminum sheet metal intake manifold to improve the look and performance of your LS engine. The runners are velocity stacked, allowing air to move more smoothly at high velocities.