The Speedmaster Chevy BBC 396 454 High Performance 12 Point Main Bolt Kit (PCE287.1025) is a complete fastener solution designed for big-block Chevrolet engine assembly and rebuilds. This kit includes 12 point main bolts engineered to secure the crankshaft main bearing caps with precision and durability, ensuring proper clamping force and reliability during high-performance operation.
This main bolt kit is essential for engine builders and enthusiasts working on 396 and 454 cubic inch big-block Chevy engines. The 12 point design provides superior grip and torque application compared to standard fasteners, making installation straightforward and reducing the risk of bolt slip during assembly. Whether you're performing a complete engine rebuild, upgrading an existing engine, or preparing a performance platform, this fastener kit delivers the critical hardware needed for a secure, professional-grade assembly. Compatible with both Chevy BBC 396 and 454 configurations, it's an ideal choice for street, strip, or show applications.
Key Features & Benefits
- 12 Point Design: Provides superior grip and torque application for reliable clamping force.
- BBC Engine Compatibility: Engineered specifically for Chevy big-block 396 and 454 cubic inch engines.
- Complete Kit: Includes all main bolts required for crankshaft assembly in one package.
- High Performance Grade: Built to withstand the demands of performance and racing applications.
- Speedmaster Brand: From a trusted manufacturer of engine fasteners and performance hardware.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE287.1025 |
| Product Type | Main Bolt Kit |
| Bolt Style | 12 Point |
| Engine Application | Chevy BBC 396 and 454 |
| Included Items | Complete set of main bolts for crankshaft assembly |
Ideal Applications
- Complete engine rebuilds on 396 and 454 big-block Chevy engines
- Performance engine upgrades and modifications
- Race engine assembly and preparation
- Custom engine builds for street or strip applications