Speedmaster PCE274.1085 I-Beam Race Connecting Rods 6.135" 4340 Steel Chevy BBC 454

The Speedmaster PCE274.1085 I-beam connecting rods are precision-engineered race components designed specifically for Chevy BBC 454 engines. These connecting rods feature a 6.135" length with 2.200" big-end and .990" small-end bore specifications, constructed from durable 4340 steel for high-strength performance under demanding engine conditions. Bronze bushings provide reliable bearing surfaces for optimal clearance and durability.

These race-grade connecting rods are ideal for high-performance engine builds, competition applications, and custom engine assembly where reliability and strength are critical. The I-beam design provides a balance of weight and rigidity, making them suitable for applications requiring enhanced horsepower and consistent performance. Precision manufacturing ensures proper fitment and function in BBC 454 engine platforms.

Key Features & Benefits

• I-Beam Design: Optimized geometry provides strength-to-weight balance for high-performance racing applications.
• 4340 Steel Construction: Premium material delivers high tensile strength and durability for demanding engine use.
• Bronze Bushings: Precision-fitted bushings ensure proper bearing surfaces and reliable clearance in the small end.
• BBC 454 Fitment: Engineered specifically for Chevy big-block 454 engine platforms.
• Precision Dimensions: 6.135" length with 2.200" big-end and .990" small-end bore for exact engine compatibility.

Specifications

Ideal Applications

• High-performance engine rebuilds and upgrades
• Racing and competition engine builds
• Custom engine assembly and dyno testing
• Heavy-duty horsepower and torque applications