HP462C Handle Style:1/2 Wrap Handle w/o RBS Filter This helps preserve the lightweight

This helps preserve the lightweight balance the 2511 is known for while adding aggressive bite and long term durability

Clean hex design with “Performance By 309” branding

Eliminates potential decompression valve failure

Brand new OEM cylinders/ cylinder kits that include our CNC porting

HP462C Handle Style:1/2 Wrap Handle w/o RBS Filter This helps preserve the lightweight309 Machine's CNC Ported HP462C is the ultimate mix of power and agility. HP stands for High Performance, and that's what we are all about. We strive to maximize power while focusing on durability and reliability. This is for the Power Head Only (PHO). Performance work includes; CNC Cylinder porting Exhaust Port enlargement, timing and polishing Intake Port enlargement, timing and texturing Squish band cut for smaller combustion area Base cut for