Chevy Small Block Dual Plane Intake Manifold,fits 1955-1986 Chevy small block engines| SPELAB
SPELAB's dual-plane high-performance intake manifold for the small block Chevy is ideal for street performance applications. With a design that improves throttle response, as well as power and torque over a wide rpm range - idle to 5,500. It is cast from lightweight aluminum and features a low profile for ideal hood clearance. Additional provisions include dual distributor hold-downs, 4 corner water ports, and a choke block-off kit. Set up for spread bore carbs, this manifold comes with an adapter plate and gasket for use with square bore types.
Fits：1955-86 Small Block Chevy 262-265-267-283-302-307-327-350-400 V8 Engines.
Features dual-plane design with a black finish.
Features:
- Also Fits 1987-Up stock aluminum heads (does not fit 1987-Up cast iron or Chevrolet Bow Tie heads)
- Designed for 23 Degree Heads with Standard Port Location
- Cast Aluminum
- Satin/As-Cast Finish
- Mid-Raise Dual Plane Design
- 4150/4160 Square Bore Carburetor Flange
- Idle to 5500 RPM.
- Port exit dimensions: 1.170" x 1.90".
- Estimated runner length - Shortest: 4"
- Estimated runner length - Longest: 7"
- Manifold height: Short Side 4.290", Tall Side 5.310".
- Accepts late model choke, water neck, AC, alternator and HEI Distributor.
- No Provision for Divorced or Heated Choke
Fitment
CHEVROLET SMALL BLOCK V8 GEN. I
- 4.3 L / 262 in3
- 4.3 L / 265 in3
- 4.4 L / 267 in3
- 4.6 L / 283 in3
- 4.9 L / 302 in3
- 5.0 L / 305 in3
- 5.0 L / 307 in3
- 5.4 L / 327 in3
- 5.7 L / 350 in3
- 6.6 L / 400 in3
NOTES
- Fits 1955-1986 Chevy small blocks and 1987-1995 with included adapters
- Manifold is stock replacement and street legal with non-EGR 302, 327, and 350 engines with OEM carb in 1966-1972 (and 1973 non-CA) passenger cars and 1966-1983 trucks
- Will not fit engines with reverse flow heads such as those found in 1992-1997 LT1 applications
