Holley Ultra Lo-Ram Manifold Kit - GM Gen V LT 300-717
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Features:
- Designed for GM Gen V engines equipped with GM LT type cylinder heads
- 105mm diameter throttle body opening accepts OEM 4-bolt LS/LT DBW or Holley LS/LT throttle bodies
- Engineered for forced induction (supercharged or turbocharged) engine applications with peak power at 7,000-8,000 rpm depending on the application
- Only 0.97-inch taller than a factory LT1 manifold provides maximum clearance under a stock or mildly modified hood
- Modular design & front entry plenum flange allows design & fabrication of special throttle body adapters or inlet ducts for custom installations. Base manifold, plenum top, throttle body adapter available as separate kits
- Clears C7 Corvette cowls and hoods without modification
- Available for OE direct fuel injection only or with added port fuel injection provisions
- Kits with port injection provide high volume fuel rails with 3/4-16 O-ring ports (8 AN). Mounting hardware is included
- Ultra Lo-Ram kits with a burst panel flange are available, Ultra Lo-Ram billet burst panel duct is offered separately (PN: 300-608 clear anodized, PN: 300-608BK black anodized)
- As-cast aluminum (Satin) and black powder coat finishes available
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
Shipping information
Use this text to share information about your product.
Returns & warranty
Use this text to share information about your product.