Manifold End Rail Spacers Part Number:300-300 (BBC Dart/Brodix 20º Heads - 1/2" Thick Top 1 Pair) Valvetrain stabilizers are a must

Valvetrain stabilizers are a must have when using any aluminum cylinder head or iron cylinder heads running high Rpm’s

Dress up your RMRE 12º Raptor cylinder heads with these beautiful Black Anodized valve covers with the RMRE logo CNC machined into the top

VALVETRAIN STABILIZERS) -

along with the transmission and drive train

Manifold End Rail Spacers Part Number:300-300 (BBC Dart/Brodix 20º Heads - 1/2" Thick Top 1 Pair) Valvetrain stabilizers are a mustReher Morrison's intake manifold end rail spacers are CNC machined from 6061 T6 aluminum. These spacers fill the gap between the bottom of the intake manifold and the top of the lifter valley at the front and rear of the block. (This area of the lifter valley is sometimes referred to as the "china wall".) This gap can be quite large due to: Installing certain cylinder heads (i. e. Dart or Brodix 20, etc.), installing a standard manifold on a tall deck