Holley EFI 300-301BK HI-RAM Cast Side Mount Plenum Top Intake Manifolds - 105MM

The Holley EFI 300-301BK Hi-RAM plenum top is a performance intake manifold component designed for Ford small block engines. This cast aluminum plenum top features a 105mm opening with side-mounted throttle body configuration, specifically engineered to accommodate Ford 5.0 Coyote-style throttle bodies.

Key Features:

• 105mm throttle body opening for maximum airflow
• Durable cast aluminum construction for strength and heat dissipation
• Side-mount throttle body design allows clearance for hood fitment and boosted applications
• Direct bolt-on compatibility with existing Hi-RAM manifold bases
• Ford 5.0 Coyote throttle body bolt pattern
• Verified fitment under Cervini's 2.5" cowl hood on 1979-1993 Mustangs with 302W and 351W Hi-RAM bases using stock motor mount locations

This plenum top is ideal for enthusiasts building high-horsepower naturally aspirated or forced induction engines. The side-mounted throttle body configuration provides additional clearance for turbocharger or supercharger plumbing while maintaining excellent hood clearance on Fox-body Mustangs. The cast aluminum construction ensures durability and proper heat management under demanding performance conditions.