The HP661C is the ultimate mix of power and durability.
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 ...
Reviews
4.9
8 ratings
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Went big with the 661C!
M
M · August 1, 2026
WORTH IT
Not even the same saw compared to a stock 661. The cost for this over a stock saw is 1000% worth it in productivity alone.
Looks feels runs great. Only way it could be better is if it came with a free hat haha