** (Recommended intake gasket: Fel-Pro #1298. Port matching is required for best results. These intake manifolds are designed to perform right out-of-the-box with minimum modifications, but can still be ported as needed. They have the same outer dimensions as the Big Victor High-Rise, but also have an extended runner design, carb pad and plenum for increased air flow and performance in large displacement race engines. Big Victor 2 intake manifolds go one step further. This gives engine builders the extra material they need to apply custom porting without welding. The casting has added material on the top of the runner and exterior area of the carb pad. Big Victor High-Rise intake manifolds are based on our popular Big Victor designs, but have been modified to meet the needs of custom porting specialists. These features, combined with approximately 5% taper in runner crosssectional area, give better top end hp while maintaining consistency and throttle response off the stop. The outside runners are shorter and straighter than competitor's manifolds and the plenum is longer front to back. 500" from the plenum to the exit allowing the popular oval port shape to be used. The runners have a minimum corner radius of.
090" per side reduction to accommodate the wide variety of intake port sizes and require port matching. Available in Anodised Silver or Stealth Black.BIG VICTOR SPREAD-PORT (3500-8500 RPM) Designed for large CI or high rpm drag racing big-blocks with Edelbrock Big Victor, Dart Big Chief or Brodix Big Duke cylinder heads, these manifolds have an average runner area of approximately 4.75 sq.Optional SFI approved burst panel (extra cost).Throttle Body Adaptor to suit single 5" or twin entry 3.5" outlets with Plazmaclamp ends.Fuel Rails (to suit 8 or 16 injectors).120mm Billet "wedge style" throttle body with Heavy duty Return spring.
Racing design and feedback has been combined, along with Solid Works Computational Fluid Dynamics Software to produce this cutting edge product. Plazmaman has been at the forefront in street and strip inlet manifold design since the early 90s, and this BBC Intake manifold is nothing short of spectacular. Plazmaman BIG BLOCK Chevrolet Billet Intake manifold - as used by Discovery Channel's 'Street Outlaws' stars Joe "Dominator" Woods and Chris "Kamikaze" Day.
The SNIPER Series features cast injection bosses, 4500 series carburetor flange, four corner water bosses and your choice of oval or rectangle port opening. ***PLEASE NOTE - This product has a 3 to 5 working day lead time prior to shipping*** Available for 9.8' or 10.2' Deck Heights The SNIPER BBC Intake Manifold Series is designed with the perfect runner to plenum volume to maximize the power and acceleration curves of your engine.