Arias Forged Pistons 4G63T 7-Bolt EVO 4-9 10.1:1 86mm 1mm





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Shipping Weight (Dimensional) 5.0000
Part Type Pistons
Make Mitsubishi
Vehicle Model Evo 4 5 6 7 8 9
Vehicle Group Evo 4-6 CP9A, Evo 7-8 CT9A, Evo 9 CT9A
Engine 4G63T (7-Bolt Evo 4-8), 4G63T (7-Bolt Evo 9)
Compression Ratio 10.1:1
Bore Diameter 86mm
Pin Size 0.866″ / 22mm
Head cc 43 cc
Face Type Flat
Dome cc -3.7 cc
Compression Height 1.375″ / 34.9mm
Manufacturer Arias Pistons
Stroke 88mm
Skirt Type Full Round
Rod Length 5.900″ / 150mm
Piston Material 2618
Compression Ratio Gasket Thickness .050″
Compression Ratio Range 10.0:1 – 11.0:1
Big End Width 0.040″ / 1.0mm
Bore Oversize 0.040″ / 1.0mm
Engine Head 4G63T (7-Bolt Evo 4-8), 4G63T (7-Bolt Evo 9)
Rod Length Oversize Standard Length
Carb Legal Unspecified
Stroke Oversize Standard
Product Flags N/A

Additional information

Shipping Weight 5 lbs
Part Type


Car Make



Arias Pistons

ARIAS PISTONS was brought to life in 1969 as a manufacturer and supplier of high performance, high quality pistons and related hardware. Arias is a leader in Sport Compact and Domestic high performance pistons.


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