nope, wont do anything for increasing the power output. adding stiff spings to your clutch settup will only make it hold better under power. so if your motor is making alot more power than stock you would prolly need em. if not then stick with the stockers.
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84 RZ350
96 Banshee w/ rz engine
91 LT250R w/ 03 z400 rear shock and 98CR250 engine (ITS ALIVE!!!)
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