Hot Rods Heavy-Duty Connecting Rod Kit for 4-Cycle 250cc Engines

Elevate your engine's performance and reliability with the Hot Rods connecting rod kit, a premium heavy-duty OE replacement designed for 250cc 4-cycle engines. This meticulously engineered kit provides superior strength and exceptional longevity, making it the ideal choice for engine rebuilds and performance upgrades.

Description

This Hot Rods heavy-duty connecting rod kit is engineered to withstand the rigors of high-performance motorcycle engines, ensuring unparalleled durability and consistent power delivery. Each component is crafted from top-tier materials; the rod itself is made from certified 8620 AISI steel, renowned for its superior strength and resilience. The crankpins are manufactured from hot-rolled ASTM 4115 steel, then case hardened to a robust level of 58-62Rc, providing exceptional wear resistance. Designed for high RPM longevity, the kit features the latest caged needle roller bearing designs. The uniquely designed big end incorporates strategically located side scalloping and vent slots, effectively minimizing bearing race distortion even under extreme rotational speeds. Furthermore, the small ends are double drilled to deliver extra lubrication and cooling directly to the wrist pin bearing, a critical feature for maintaining bearing integrity when the piston crown operates close to the bearing. To enhance fatigue resistance and smoothly blend the rod forging's radiuses, each rod is shot-peened. Precision double honing produces an ultra-round bearing surface, crucial for reliability and smooth operation at high RPMs. This comprehensive kit includes the rod, crank pin, crank pin bearing, top-end bearing, and silver-coated bronze phosphor thrust washers, ensuring a complete and seamless installation. Compatible with both Hot Rods and original equipment (OE) crankshafts, this 4-cycle engine connecting rod offers a reliable solution for your motorcycle engine rebuild.

Features & Highlights

• Unmatched Durability: Constructed from certified 8620 AISI steel and featuring case-hardened ASTM 4115 crankpins (58-62Rc) for superior strength and wear resistance.
• High RPM Longevity: Incorporates advanced caged needle roller bearings and a uniquely designed big end with side scalloping and vent slots to minimize bearing race distortion.
• Optimized Lubrication & Cooling: Double-drilled small ends provide enhanced lubrication and cooling to the wrist pin bearing, crucial for engine health.
• Fatigue Resistance: Shot-peened to eliminate surface stress risers, ensuring maximum fatigue life and structural integrity.
• Precision Engineering: Double honing creates an ultra-round bearing surface, guaranteeing reliability and smooth operation even at peak engine speeds.
• Complete Assembly: Most kits come complete with the rod, crank pin, crank pin bearing, top-end bearing, and silver-coated bronze phosphor thrust washers for a straightforward rebuild.
• OE Compatibility: Designed as a direct OE replacement, fully compatible with both Hot Rods and original equipment crankshafts.

Technical Specifications

• Brand: Hot Rods
• Product Name: Connecting Rod Kit
• Material: 8620 AISI Steel (Rod), ASTM 4115 Steel (Crankpin)
• Crankpin Hardness: 58-62Rc
• Engine Type: 4-Cycle
• Displacement: 250 cc
• Units: Kit
• Made In: USA

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