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Ships within 48 hours · Estimated delivery Nov 16 - Nov 21
• Secondary Spring
After a successful install
With contoured profile to reduce weight
GAINS TOP SPEEDS AND LOW-END POWER
The larger volume works very well with higher boost pressures as the air does not bottleneck and create heat
BLACK DIAMOND EXHAUST VALVE DIAMOND XL 04-14 Category_Default Category/SLED/Polaris/AXYS 600 /Misc • Secondary SpringAll KPMI Black Diamond stainless steel valves are impregnated by a special German process to a depth of . 002, with a surface build up of . 0002. This Black Diamond process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Black Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics.
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