This intake manifold is designed to fit 1958-1965 Chevrolet 348/409 "W" big-block engines with 690 style large port heads including: Edelbrock #60809 or #60819 and Bob Walla cylinder heads.

Blower version includes blow off valve and special top to fit 6-71 and 8-71 style super chargers

Blower version comes standard as RACE PREP, if you would like front water threaded holes added please specify at checkout and allow 5-6 days for machining.

This intake manifold is designed to fit 1958-1965 Chevrolet 348/409 "W" big-block engines with 690 style large port heads including: Edelbrock #60809 or #60819 and Bob Walla cylinder heads.

Base intake does not include a top, you must also purchase the top of your choosing from our catalog.

This intake manifold is designed to fit 1958-1965 Chevrolet 348/409 "W" big-block engines with 690 style large port heads including: Edelbrock #60809 or #60819 and Bob Walla cylinder heads.

Base intake does not include a top, you must also purchase the top of your choosing from our catalog.

Race prep version does not include oil filler tube hole and front water tapered pipe tapped holes.

McQuillen 690HP Intake Manifold Top Plate w/ bolt pattern to fit:
Single Dominator
Machined from 6061 Aluminum Plate

McQuillen 690HP Intake Manifold Top Plate w/ bolt pattern to fit:
6-71 and 8-71 Style Super Chargers
Machined from 6061 Aluminum Plate

Blow off valve and required intake modifications for blow off valve not included. Please contact us for more information on coverting a regular intake into a blower intake with blow off valve.

McQuillen 690HP Intake Manifold Top Plate w/ bolt pattern to fit:
4150/Holley 2x4 Inline
Special for EFI Throttle Body
Machined from 6061 Aluminum Plate

McQuillen 690HP Intake Manifold Top Plate w/ dual bolt pattern to fit:
4150/Holley 2x4 Sideways
Carters Inline
Machined from Aluminum Casting