- Fully Ported - As Cast Runners provide you with true "Bolt-On" Horsepower
- Cast Bosses on the runner provide an area for injection nozzles
- Engineered to match the "Pro-Filer 12 Degree Spread Port Cylinder Heads, but will also work with other aftermarket spread port heads.
- Dimensional Accuracy - consistency of the ports is far better than fabricated units.
- One-Piece construction dampens resonance, which effects high RPM horsepower
- Helps assist in making a more consisentent power curve
- Short (9.800) and Tall (10.200) deck heights available
- Available with Single or Dual Carb Top plates - Dual Carb increases 30-40 hp over Single Carb!
- Standard height, small cap distributors can be used
- Optimized for engines 632 cu.in. and larger
A match for the "Pro-Filer" BBC 184 Series SpreadPort Cylinder Head (and other aftermarket spread port heads), our cast aluminum, tunnel-ram manifold has the perfect runner/plenum volume to maximize the power and acceleration curves of your engine.
The "Pro-Filer" Spread Port Long Runner Tunnel Ram Manfiold is a replica of the manifolds used on most Pro-Stock Engines. It features precision cast runners to eliminate porting as well as the best design to eliminate air flow restrictions.
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