Fuller Hotrods 4170 Stroker Crankshaft Honda 450cc +3mm Heavy Duty

The Fuller Hotrods 4170 is a heavy-duty stroker crankshaft designed for Honda motorcycles, engineered to increase engine displacement to 470cc with a +3mm stroke. This drop-in performance upgrade delivers increased power and torque without requiring expensive case machining, custom cam chains, or spacer plates.

Key Features:

• Heavy-duty stroker design with +3mm stroke increases displacement to 470cc
• Drop-in installation works with stock OEM pistons
• No case machining, custom cam chains, or spacer plates required
• Factory assembled, trued, and balanced for reliable performance
• Complete assembly includes proven Hot Rods connecting rods, top end bearings, and crankshaft webs
• Ready to install straight from the box

This stroker crankshaft provides a cost-effective path to increased displacement and performance for Honda builds, eliminating the complexity and expense typically associated with stroker conversions. The complete assembly is precision-manufactured and ready for bolt-in installation.