Holley - BBC Efi R/P Intake Manifold W/4150 Flange

The Holley BBC EFI R/P Intake Manifold with 4150 Flange is engineered for high-performance big block Chevy engines featuring rectangular port heads. This single-plane, open plenum design is ideal for converting from carburetion to fuel injection, offering a power band of 3500-8000 RPM. Constructed from natural-finish aluminum, it includes anodized, laser-etched fuel rails and mounting brackets compatible with 1.48" or 2.56" O-ring to O-ring injector lengths. The manifold measures 5.96" in height at both the front and rear, with rectangle port dimensions of 2.28" high by 1.48" wide. Designed for today's larger cubic inch big block Chevy race engines, it's perfect for NHRA Super Comp, Super Gas, and Street classes, as well as IHRA Quick Rod, Super Rod, and Hot Rod categories. ([documents.holley.com](https://documents.holley.com/7980f5e7e2022bbf222cbc8403b6697f8710a559.pdf?utm_source=openai))