4G63 7-Bolt 86.5mm +1.5mm Over Bore 100mm Stroker 8.5:1 Dish Piston - Single by Manley Performance

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. Round wire locks, tool steel wrist pins, and rings are included with every set at no additional charge.

Features

• 2618 high strength material
• Lightweight design with offset wrist pin for quiet start-ups
• Pressure balance groove
• Will accommodate +1mm valve sizes
• Premium Steel top rings with Napier seconds and round wire locks included
• Recommended piston clearance .0035" measured 1.100" from the bottom of the oil ring

Benefits

• "Contour forgings" provide the optimum balance between strength and weight with no grain-interrupting internal milling.
• Proprietary multi-step top ring groove machining process assures optimum control of the groove's size, geometry, flatness, and finish.
• All final turning is performed in one fixturing resulting in complete squareness of rings to the cylinder wall.
• Federal Form-Scan gauging validates ideal skirt indexing to pinhole and skirt-to-skirt polarity.
• Value - added features such as a pressure balance groove included in all series.
• Precise pinhole machining results in an exact compression distance as well as precise lock ring groove spacing, size, and concentricity.

Please Note: The image provided is generic and may not be an accurate representation of the product you will receive

Applications

• 1993 - 1998 Eagle Talon TSi
• 1993 - 1994 Mitsubishi Eclipse GS
• 1993 - 1999 Mitsubishi Eclipse GST
• 1993 - 1999 Mitsubishi Eclipse GSX
• 1996 - 1999 Mitsubishi Eclipse Spyder GST
• 1995 Mitsubishi Expo
• 1995 - 1999 Mitsubishi Galant
• 1997 - 1999 Mitubishi Montero Sport
• 2003 - 2006 Mitsubishi Lancer Evolution
• 1993 - 1994 Plymouth Laser RS

What's In The Box?

• 1 - Piston
• 1 - Piston Ring
• 1 - Wrist Pin
• 1 - Spiral Lock

Warranty

• Manley products, due to their intended use, are sold without warranty.