The Speedmaster PCE241.1001 is a Gilmer drive adapter pulley engineered for Mopar Chrysler small-block (SB) and big-block engines, including the 318, 340, 360, 383, and 440 models. This adapter pulley integrates Gilmer belt drive technology with OEM-compatible fitment, making it an ideal choice for engine builders, performance enthusiasts, and restoration projects seeking reliable belt drive solutions.
Designed as a direct replacement or upgrade component, this pulley adapter maintains compatibility across multiple Chrysler engine generations while supporting high-performance Gilmer belt systems. The robust construction ensures dependable operation in both street and competition applications, delivering the precision fitment and durability that Speedmaster is known for in the automotive aftermarket.
Key Features & Benefits
- Mopar Chrysler Compatible: Fits SB 318, 340, 360 and BB 383, 440 Chrysler engines for broad model compatibility.
- Gilmer Drive System: Integrates modern Gilmer belt drive technology for reliable, smooth power transmission.
- OEM-Style Fitment: Engineered as a direct replacement adapter for factory or custom engine builds.
- Speedmaster Quality: Professional-grade automotive component trusted by engine builders and performance shops.
Specifications
| Brand | Speedmaster |
| MPN | PCE241.1001 |
| Product Type | Gilmer Drive Adapter Pulley |
| Engine Compatibility | Mopar Chrysler SB 318, 340, 360, BB 383, 440 |
Ideal Applications
- Street and performance engine builds requiring Gilmer belt drive integration
- Engine restoration projects for classic Mopar Chrysler vehicles
- Custom engine swaps and modifications using aftermarket belt systems
- Racing and competition engine setups with modern drivetrain technology