Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS7 cylinder heads

Part Number: 300-269

Designed with a 4150 Square bore flange. Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM The manifold kit includes the fuel rails, mounting hardware, and o-ring cylinder head mounting flange gaskets. Minimum carb flange height - fit in vehicles with minimum hood modifications. Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS7 cylinder heads.

Features and Benefits

• Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS mild power adder applications
• Port size - 2.33" height x 1.27" wide
• Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
• Weight - 11.5 lbs.
• Includes FKM o-ring intake to cylinder head gaskets
• Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange and bellhousing flange
• 4150 Square bore flange
• Minimum carb flange height - fit in vehicles with minimum hood modifications
• 2500-7000 RPM power band
• Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality

Includes fuel rails, mounting hardware, and O-ring cylinder head mounting flange gaskets._x000D_ _x000D_ The included fuel rails are designed to accept Bosch Style EV-1 or GM OE LS7 fuel injectors.