Roush DL427RDSC 427 CI Race Performance Carbureted Engine

Description

Drop a high-revving 550 HP carbureted stroker straight into your late-model Fox chassis with the Roush DL427RDSC 427 CI Race Performance. This Race Carbureted V8 is engineered with a dual-sump oil pan specifically designed to clear the K-member and steering rack on 1979-1993 Mustangs. Built on a rigid Dart 9.5-deck block and topped with a single-plane intake manifold and solid roller valvetrain, this engine screams at the drag strip and delivers relentless top-end pulling power.

Key Features of Roush DL427RDSC Race Engine

• Dual-Sump Oil Pan: Engineered perfectly to clear the restrictive K-members and steering assemblies found in Fox Body platforms.
• 550 HP Dyno-Proven Output: Delivers aggressive race-level horsepower and massive torque out of the crate for serious drag racing.
• Single-Plane Intake Manifold: Maximizes high-RPM atmospheric airflow when paired with the included high-CFM 4-barrel race carburetor.
• Dart Iron Eagle 9.5-Deck Block: Provides an ultra-rigid cast iron foundation that eliminates block flex during violent high-RPM launches.
• Solid Roller Valvetrain: Delivers extreme valve lift and duration without the high-RPM valve float associated with hydraulic setups.
• Forged 4.00-Inch Stroker Crank: Pushes displacement to 427 cubic inches to generate brutal mid-range acceleration.

Component Breakdown: Dual-Sump Race Configuration

This fully dressed small block gives you a bulletproof 427 cubic inch stroker foundation built specifically for Fox Body drag cars.

• The heavy-duty Dart Iron Eagle block houses a forged steel crank forged connecting rods and forged racing pistons
• Ships fully assembled with CNC aluminum heads custom Roush valve covers a single-plane intake and a dual-sump pan

Vehicle Fitment & Compatibility Matrix

This massive 427 stroker fits directly into Fox Body engine bays using standard 351W mounts. Dropping a dual-sump race-spec 427 Ford engine into your chassis gives you instant track-dominating power.

• Fits 1979-1993 Fox Body Ford Mustang drag cars needing a dedicated small block race engine with correct pan clearance
• Fits 1994-1995 Ford Mustang SN95 chassis drag builds requiring a high-RPM carbureted 7.0L powerplant
• Fits custom tube-chassis bracket drag racers looking for a reliable naturally aspirated race engine
• Fits late-model custom street-strip builds demanding a durable forged 550 HP V8 setup

Fuel & Ignition System Requirements

Feeding a high-RPM race engine requires heavy fuel delivery and a steady high-voltage spark.

• You must bolt on the race carburetor and feed it with a dedicated high-volume electric fuel pump system
• Connect the included MSD billet distributor to an external 6AL ignition box and heavy-duty racing spark plug wires

Installation, Break-In Oil & Priming Instructions

Proper pre-lubrication ensures your solid roller race valvetrain survives its first firing.

• Use a dedicated priming tool through the distributor bore to push oil to the top-end valvetrain before turning the key
• Fill the deep-sump race oil pan with high-zinc conventional break-in oil and complete a varied RPM cycle to seat the rings

USA Warranty, Emissions & Logistics

This engine is a purebred competition unit built to Roush Performance racing standards.

• Backed by Roush Performance dedicated racing support and strict manufacturing standards straight from the factory
• Sold strictly as a specialized racing product for off-road track use and ships securely on a heavy-duty freight pallet