Key facts
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- Mitsubishi
In brief
Ultimate Valve Spring and Retainer Kit for Drag Racing 4G63 engine. \n Key features: \n \n* 142lb on the Seat, 292lb open \n* Pac Racing High Frequency Beehive \n* Huge 14mm to coil bind \n* 4340 Black Nitrided Retainer for extra durability \n* 4140 CNC machined seat \n* Designed for 1650+HP applications \n* 11,000+RP...
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Ultimate Valve Spring and Retainer Kit for Drag Racing 4G63 engine. \n Key features: \n \n* 142lb on the Seat, 292lb open \n* Pac Racing High Frequency Beehive \n* Huge 14mm to coil bind \n* 4340 Black Nitrided Retainer for extra durability \n* 4140 CNC machined seat \n* Designed for 1650+HP applications \n* 11,000+RPM \n Not for the faint hearted, on the shelf ready to break records. \n \n Intake installs at 39.5mm 132 lbs. seated, 278lbs at 12mm lift. \n Exhaust installs at 38.5mm 142 lbs. seated, 292 lbs. at 12mm lift. \n Maximum lift 14.0mm \n \n \n \n View all Mitsubishi EVO Camshafts & Valve Train Parts \n
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