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About Us
Contact
My Account
Help
Categories A-F
Aluminum Tubing
Car Covers
Chrome Stuff
Clearance!
Cooling System
Cylinder Heads (PW Heads)
Electrical Items
Engine & Related
Exhaust & Related
Fasteners & Clamps
Fluid Transfer (AN Fittings)
Fuel System
Categories G-Z
Gaskets
Gauges & Accessories
Ignition System
Interior, Seating & Safety
Lighting (3SIXTY HID & LED)
Merch & Miscellaneous
New Products
Silicone Hose & Connectors
Thermal/Sound Protection
Tools
Turbochargers
Undercar & Chassis
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What's New?
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Instructions
646511 FLOW EFI LS1/LS6 LSx Cathedral Port Fabricated Intake Manifold and Fuel Rail Kit. 92mm or 102mm (Black)
Alternative Views:
FLOW EFI LS1/LS6 Cathedral Port Fabricated Intake Manifold. Rugged 1/8" thick 6061 sheet aluminum will withstand up to 25psi of boost. The perfect choice for high RPM or boosted applications. Includes high flow billet fuel rail kit, fittings and seals. Will support 750+ HP. 2,200-6,800 RPM. Fits 92mm or 102mm throttle body. Tall profile design. Check for hood clearance. Black anodized.
Everyday Low Price:
CDN $
719.99
Stock Status:In Stock
Product Code:
646511
Qty:
Description
Technical Specs
Replacement Parts
FLOW EFI LS1/LS6 Cathedral Port Fabricated Intake Manifold. Rugged 1/8" thick 6061 sheet aluminum will withstand up to 25psi of boost. The perfect choice for high RPM or boosted applications. Includes high flow billet fuel rail kit, fittings and seals. Will support 750+ HP. 2,200-6,800 RPM. Fits 92mm or 102mm throttle body. Tall profile design. Check for hood clearance. Black anodized.
2,200-6,800 RPM
Cathedral Port
Front height = 9"
Rear height = 9"
Injectors = Accepts LS1 EV1 fuel injectors (2.55") or LS2 EV6 (2.08"). Note: LS2 injectors will require a lower o-ring change.
Injector Bung Size = .530" rail - .540" manifold
Vacuum Ports = 3 x 1/8"npt and 1 x 1/4"npt
Fittings = 1/8"npt x 1/4" barb, 1/8"npt x 5/16" barb, 1/8"npt x 7/16" barb, 1/4"npt x 1/2" barb
Map Sensor Bung (LSA/LS9 style) at rear of intake = Use GM#55565257 (2.7-Bar) or GM#12591290 (1-Bar)
Injector Tech
Replacement O-rings -
646121
Optional Parts
Throttle Body - 646210, 646310, 646310E
Throttle Cable Bracket - 646110
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