Holley Level 1 LS Swap Essentials Kit Chevy C10 63-67 for Wide Frame Rails
Highlights
- Mounts Gen 3 or 4 LS Engines
- Also Mounts a Transmission
- CAD-Designed
- Optimizes Driveline Angles
Holley Level 1 LS Swap Essentials Kit for 1963-1967 Chevy C10s with Wide Frame Rails.
This Holley Level 1 LS Swap kit for 1963-1967 Chevy C10 trucks with wide frame rails provides the essential components needed to mount your engine and transmission. Engineered using CAD technology, the system optimizes driveline angles to reduce vibration and improve power transfer. Heavy-duty clamshell mounts combined with durable polyurethane inserts help control engine movement while maintaining strength under load. Designed for a factory-style fit, this kit allows proper clearance for dual exhaust routing and delivers a clean, reliable solution for LS swap projects.
Features and Benefits:
- Engineered for proper engine and transmission placement
- CAD-designed to optimize driveline angles
- Reduces vibration and improves power transfer
- Heavy-duty clamshell engine mounts included
- Polyurethane inserts reduce engine movement
- Provides clearance for up to 3" dual exhaust systems
- Designed for factory-style fitment
- Available for multiple transmission configurations
Kit Includes:
- (2) Heavy Duty LS Clamshell Engine Mounts
- (2) Polyurethane Engine Mount Inserts (Black)
- (1) Polyurethane Transmission Mount (Black)
- (1) Engine Mount Thru-Bolt Hardware Kit
- (2) Engine Swap Brackets
- (1) Transmission Crossmember
Vehicle Fitment:
- 1963-1967 Chevy C10
- Gen 3 or Gen 4 Engine
- Wide Frame Rails
Please Note: 1967 C10 trucks may have narrow or wide frame rails; verify before ordering.
California Residents: Proposition 65 Warning
Related Categories: C10 LS Engine Swap Parts, C10 Motor Mounts, C10 Restomod Drivetrain, C10 Restomod Engine, C10 Transmission Crossmembers & Mounts
Installation Difficulty

Intermediate skill is required for this installation.














