The Speedmaster H Beam 4340 Connecting Rods (PCE274.1042) are precision-engineered engine internals designed for Ford 289, 302, and Windsor engines. These H-beam rods feature a 5.400" length, 2.123" diameter bore, and .912" pin size, constructed from 4340 steel with bronze bush inserts for durability and reduced friction in high-performance applications.
Built for serious engine builders and enthusiasts, these connecting rods deliver the strength and reliability needed in performance rebuilds, racing engines, and high-revving builds. The H-beam geometry provides superior rigidity compared to I-beam designs, while the bronze bushings ensure smooth operation and longevity. Compatible with classic and modern Ford small-block engines, these Speedmaster rods are a trusted choice for street performance, drag racing, and endurance applications where engine durability matters.
Key Features & Benefits
- H Beam Design: Superior strength and rigidity compared to I-beam construction for high-performance applications.
- 4340 Steel Construction: Premium alloy steel material engineered for durability and impact resistance in racing and performance engines.
- Bronze Bush Inserts: Reduces friction and wear on the wrist pin for extended engine reliability and smooth operation.
- Ford 289/302 Compatibility: Direct fit for Ford 289, 302, and Windsor small-block engines in classic and modern builds.
- Precision Dimensions: 5.400" length, 2.123" bore, .912" pin size engineered to exact OEM specifications.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE274.1042 |
| Product Type | H Beam Connecting Rods |
| Material | 4340 Steel |
| Bush Type | Bronze |
| Length | 5.400 inches |
| Bore Diameter | 2.123 inches |
| Pin Size | .912 inches |
| Fitment | Ford 289, 302, Windsor Engines |
Ideal Applications
- High-performance street engine rebuilds and restorations
- Drag racing and short-track racing builds
- Classic Ford engine performance upgrades
- Endurance racing and road course engines