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4G63 / 4G64 - RACE SERIES VALVES - learn more about our valves

Manley valves have set the standard for excellence in quality, material and design in the performance world for four decades. Manufactured from proven Race Master materials, Manley valves feature chrome stems, hard tips, fully machined surfaces and swirl polished radii. Many applications are Pro Flow design for maximum air flow.

Note: Manley Performance strongly recommends that customers check their valve guide size in order to achieve the proper valve stem to guide clearance. Guides may need to be honed when replacing stock factory valves.

 
Part # Type Head Diameter Stem Diameter O/A Length Tip Length Underhead Angle/Radius Margin Seat Width Top of Head
  MITSUBISHI ECLIPSE GS, GST 2.0L - DOHC 16 VALVE ( 4G63-4G63T ) 1990 - 2000
11133-8 Exh. 30.5 mm 6.54 mm/.2575 109.7 mm 3.8 mm Pro Flo: 22° x 7/16" .065" .080" 17° Dish
11161-8 Exh. 31.0 mm 6.54 mm / .2575 109.7 mm 3.8 mm Pro Flo: 22° x 7/16" .065" .080" 17° Dish
11135-8 Exh. 31.5 mm 6.54 mm/.2575 109.7 mm 3.8 mm Pro Flo: 22° x 7/16" .065" .080" 17° Dish
11134-8 Int. 34 mm 6.57 mm/.2587 109.7 mm 3.8 mm Pro Flo: 20° x 11/32" .050" .075" 15° Dish
11160-8 Int. 34.5 mm 6.57 mm / .2587 109.7 mm 3.8 mm Pro Flo: 20° x 11/32" .050" .075" 15° Dish
11136-8 Int. 35 mm 6.57 mm/.2587 109.7 mm 3.8 mm Pro Flo: 20° x 11/32" .050" .075" 15° Dish
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