CONNECTING ROD 04-05 TRX450R, HOTROD 8632
Hot Rods Connecting Rod Kit for Honda TRX450ER and TRX450R models 2004-2005. This kit is engineered for durability and high performance. The rod is precision-crafted using hot-rolled ASTM 4115 material, case-hardened, and features advanced design enhancements for optimal performance under heavy loads. Manufactured from hot-rolled ASTM 4115 and case-hardened to 58-62 Rc. Features strategically located side scalloping and vent slots to minimize high-rpm bearing race distortion. Double-forged for improved grain flow and dimensional consistency. Shot-peened and double-honed for superior strength and durability. Small ends are double drilled for extra lubrication and cooling of the wrist pin bearing. Thrust washers and crank pin bearings are silver-coated for enhanced lubricity. Includes all components for a complete installation: rod, crank pin, crank pin bearing, top-end bearing, and thrust washers. Technical Specifications: Big End Bearing (mm) 35x46x23.2, Big End Bore (mm) 46.00, Big End Width (mm) 23.50, Center-to-Center Length (mm) 111.40. Cross-Reference OEM Part Numbers: Honda 13000-HP1-670, 13000-HP1-671, 13090-HP1-315. Part Number: 56-231.HR.
- SKU
- 56-231.HR
- Brand
- Hot Rods
- Availability
- In Stock (1)
FULL DESCRIPTION
This Hot Rods Connecting Rod Kit is engineered for high-performance applications. Precision-crafted from hot-rolled ASTM 4115 material, this kit is built to withstand demanding conditions and heavy loads. The connecting rod undergoes a rigorous case-hardening process to achieve optimal hardness and durability.
Key Features:
- Constructed from hot-rolled ASTM 4115 and case-hardened to 58-62 Rc for superior strength.
- Features strategically located side scalloping and vent slots designed to minimize high-rpm bearing race distortion.
- Double-forged construction enhances grain flow and ensures consistent dimensions.
- Shot-peened and double-honed surfaces contribute to exceptional strength and longevity.
- Small ends are double drilled to provide extra lubrication and cooling for the wrist pin bearing.
- Includes silver-coated thrust washers and crank pin bearings for improved lubricity.
- Comes with all necessary components for a complete and straightforward installation.
Included Components:
- Connecting Rod
- Crank Pin
- Crank Pin Bearing
- Top-End Bearing
- Thrust Washers
Technical Specifications:
- Big End Bearing Dimensions: 35mm x 46mm x 23.2mm
- Big End Bore: 46.00mm
- Big End Width: 23.50mm
- Center-to-Center Length: 111.40mm


