Hot Rods Inc. Stroker Crankshaft for Yamaha - Part No. 4173

• Hot Rods heavy duty drop-in stroker crankshafts
• Not only do these stroker cranks bring about a heightened level of performance and increased displacement, but they do so without costly case machining, custom cams chains or spacer plates
• Utilizes the engine's stock piston
• All stroker crankshafts are sold complete and ready for installation with the original proven Hot Rods connecting rods, top end bearings and crankshaft webs
• Factory assembled and trued
• Heavy duty (04-05)(+4.4mm stroke) makes 470cc
• Heavy duty (06-08)(+3mm stroke) makes 471cc
• Bolt in and go!
• When using Cylinder Works #21001-K01 makes 500cc
• Does not fit fuel injected R or K models

Upgrade your Yamaha engine with the Hot Rods Inc. Stroker Crankshaft, part number 4173. Designed for precision and durability, this crankshaft enhances engine performance by increasing stroke length, resulting in improved horsepower and torque. Built from high-quality materials, it ensures reliable operation under demanding conditions and extends the lifespan of your engine. Whether you're restoring a classic Yamaha or seeking to boost your performance, this crankshaft provides a solid foundation for your modifications.

The Hot Rods Inc. Stroker Crankshaft features a robust construction tailored to meet the specifications of Yamaha engines. Its meticulous manufacturing process guarantees a perfect fit and smooth operation, minimizing vibrations and maximizing efficiency. Easy to install, it is an ideal upgrade for enthusiasts and professional mechanics alike, seeking to optimize engine output without compromising reliability. Enhance your Yamaha's powertrain with this expertly engineered component and experience noticeable improvements in acceleration and overall performance.

Features:

• Designed specifically for Yamaha engines to improve performance

• Constructed from durable, high-quality materials for longevity

• Increases engine stroke for enhanced horsepower and torque

• Precision-engineered for perfect fit and smooth operation

• Easy installation suitable for both enthusiasts and professional mechanics