Precision EFI Stage 1 For Arctic Cat Catalyst 858
Precision EFI Stage 1 For Arctic Cat Catalyst 858
143-858-STAGE1
Stage 1 for the 858 engine 2025+
+10HP gain at 8000rpm
+15hp gain on mid range
No hardware required , no modification
We suggest to add a set of adjustable weight to reach the target RPM of 8100-8200
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$749.99 CAD