Performer Intake Manifold ED21163 Hose Ends & Finishers Both materials are nominally rated

Both materials are nominally rated at 180

Positive Stop Tefflon 503-16 CO503-16 Suit 11/32" Valve

• Dual Plane Configuration

Accurately machined with 2 x 1/4"-20 female threaded holes with 2-5/8" (66

Performer Intake Manifold ED21163 Hose Ends & Finishers Both materials are nominally ratedPerformer Intake ManifoldSB Chevy Vortec, Idle 5500 rpm, Dual Plane, non EGR, Black Finish ED21163 21163 Performer manifolds are dual plane, low rise intake manifolds with a 180 firing order and patented runner design that you won't find in other brands. This patented design greatly improves torque over a wide rpm range for excellent throttle response, especially off idle through the mid range. Performers are ideal for passenger cars, trucks, 4x4s,