Holley EFI Coyote Ultra Lo-Ram Intake Manifold Base Only 300-921BK

Holley EFI Coyote Ultra Lo-Ram Intake Manifold Base Only

Holley EFI Coyote Ultra Lo-Ram intake manifolds are designed to fit stock bolt pattern OE heads found on the 2011-23 Ford 5.0 Coyotes and related engine families, such as Voodoo and Predators. These kits include fuel rails for use with OEM-type fuel injectors and clips, mounting hardware, and O-ring gaskets. Offered in black and natural as-cast finish, the manifolds have a 9.20 in. runner length and are designed to improve the mid to high RPM powerband. The Ultra Lo-Ram provides an additional 19.4mm front and 42.6mm rear clearance compared to the Ford Performance Cobra Jet manifoldplus clears 2015-23 Mustang factory hoods. They're offered in both round and oval throttle body configurations, with replacement front inlets for easy interchangeability. The oval inlet can accommodate up to a 150 x 66mm single throttle body and 93mm on the round variant. Round inlets include standard mounting provisions for GT350, GT500, and LS 4-bolt throttle bodies. 2011-23 GT throttle bodies can be used with the optional 717-18 adapter. (NOTE: Coyote Ultra Lo-Ram intake manifolds are available with the base only, no top included, if desired. See "Intake Section Included" tabs.) Product features: * As-cast aluminum construction: more durable for boosted applications, can be welded for modifications * Modular design: accessible runner entries for porting, allows accessories like intercoolers and nitrous plates * 300-911 and 300-912 Ultra Lo-Ram will fit under stock hood with stock engine mounts in 2015-23 Mustang * Refined port design with streamlined injector boss for reduced turbulence without loss of flow area * Allows a variety of throttle valves, including large monoblade, 2015-20 GT350, 2007-14 GT500, 2019-23 GT500, GM LS 4-bolt, 2011-23 Ford Mustang GT (with optional adapter PN 717-18) * Fuel rails with -8 AN ports and dual 1/8 NPT accessory ports for gauges or Gen 3 direct injection fuel line hookup