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Manley 85.5mm +.5mm 8.5 / 9.0 Extreme Duty Dish Piston Set of 4 w/ Rings Mitsubishi Eclipse | Evo (7 Bolt 4G63T) 1993-2006
$823.60
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Manley 85.5mm +.5mm 8.5 / 9.0 Extreme Duty Dish Piston Set

If you're looking to boost your Mitsubishi Eclipse or Evo's performance, the Manley 85.5mm +.5mm 8.5 / 9.0 Extreme Duty Dish Piston Set is just what you need. Designed specifically for the 7 Bolt 4G63T engines from 1993 to 2006, this set is engineered to provide durability and efficiency for your high-performance build.

Why Choose Manley Pistons?

Crafted from high-strength 2618 material, these pistons are lightweight yet robust, ensuring a long service life. The innovative offset wrist pin design not only contributes to quieter start-ups but also enhances overall engine performance. Each piston is meticulously manufactured using a unique "one fixturing" method, achieving perfect ring groove to skirt squareness for maximum horsepower.

Key Features

  • Material: 2618 high strength alloy
  • Wrist Pin: 2.250 x .250" wall 9310 alloy pin included (P/N 42552)
  • Pressure Balance Groove: Optimizes performance
  • Valve Size Accommodation: Will fit +1mm valves
  • Vertical Gas Ports: Ideal for high horsepower race engines
  • Included Rings: Premium steel top rings with Napier seconds and round wire locks
  • Recommended Piston Clearance: .0035" measured 1.100" from the bottom of the oil ring

Specifications

  • Bore Size: 85.5mm
  • Over Size: +.5mm
  • Rod Length: 150mm
  • Stroke: 94mm
  • Compression Distance: 1.248"
  • Dome Volume: -17cc
  • Cylinder Head Volume: 47 / 43cc
  • Compression Ratio: 8.5 / 9.0
  • Piston Type: Dish
  • Piston Weight: 327 grams
  • Included Ring Set: 46860-4

Fitment

This piston set is compatible with:

  • Mitsubishi Eclipse GST/GSX-Eagle Talon TSi (93.5-99, 7 Bolt) - 4G63/4G63T
  • Evo VIII, IX (03-06, 4G63T)

What’s Included

  • Sold as a Set of 4
  • Round wire locks (P/N 42270)

Customer Reviews

Customers rave about the performance and reliability of the Manley piston set. Many have noted significant improvements in their engine's responsiveness and power output after installation. Users appreciate the quality of the materials and the precision engineering that goes into each piston. If you're serious about performance, this set comes highly recommended by fellow enthusiasts.

Proposition 65

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Vehicle
1993-1998
Eagle Talon
1993-1999
Mitsubishi Eclipse
2003-2006
Mitsubishi Evolution

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How did Manley Performance Start?

Manley Performance, formerly called Manley Speed Equipment, was established in 1966 by Hank Manley shortly after his graduation from Brown University. His interest in the performance and racing traced back to 1960 when, at age 17, he rebuilt a 312 CID Ford V8 engine, installed a camshaft and three two-barrel carbs, and raced a ’56 Thunderbird on New Jersey’s streets. Initially, the company’s product lineup included stainless valves, lifters, camshafts, forged pistons, vanadium valve springs, pushrods, and timing chain kits. By 1998, Manley had outgrown its first Bloomfield, New Jersey facility and bought several acres in Lakewood, New Jersey. It was around this time that the brand’s name formally changed to Manley Performance. Nearly a decade later, the production space doubled in size.

Evolving in the Automotive Space

Led by GM Michael Tokarchik in 2002, Manley entered the high-performance passenger car market as an OEM supplier of connecting rods for the 2003/2004 Ford SVT Mustang Cobra. Production reached 2500 rods per week without missing a single delivery date. Ford awarded Manley its highest ever supplier rating. Manley’s presence in the OEM market continued from there as a supplier for the Ford GT. After nearly 50 years since its inception, Manley continues to be globally recognized as the leading manufacturer of performance valves, connecting rods, cylinder head components, pushrods, drive and oil systems, and several other engine parts.

What is Manley’s Specialty?

Manley Performance specializes in high-performance engine internals that range from stock replacements to full-on race applications. They have been the standard of the industry since their inception; a fact that still remains true now as they have ventured into new markets. Today, Manley Performance continues to re-define itself in a high-performance aftermarket industry that is constantly evolving. The brand has developed a wide range of new products for growing markets that include sport compact, Ford modular, and Chevy LS. Manley also maintains its leadership role with the traditional V8 engine business.

Get Manley Performance at Vivid Racing

If you are in need of a serious upgrade to your engine, then Manley Performance parts should be on your list. Like all of our suggested manufacturers, Manley uses the best materials available to ensure a quality part for your engine. We carry Manley connecting rods, crankshafts, pistons, and valve components. The large lineup of domestic parts includes sport compact vehicles, Ford modular engines, GM’s LS series internals, and HEMI product upgrades for Chrysler.

If you can’t find what you’re looking for or need help choosing the right part for your car, call our sales team at (480) 966-3040. We are here to make your buying experience a breeze.

Due to the intended usage of the products sold by Manley Performance Products, Inc., they are sold WITHOUT WARRANTY OR ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR THE INTENDED PURPOSE. Manley Performance Products, Inc. shall not, under any circumstances, be liable for any special, consequential or incidental damages, including but not limited to loss of profits or revenue, loss of other property or equipment, cost of purchased or replacement of goods, or claims by customers of the purchaser, which may arise and/or result from the sale, installation or use of these parts. Installation of parts intended for “off-highway” use could adversely affect the vehicle manufacturer’s warranty coverage. Subject to applicable state law. Some items may not be legal for use in California on pollution controlled vehicles. All weights specified are approximate and subject to manufacturing tolerances. Manley Performance Products, Inc. reserves the right to make changes in design, specifications, materials, or make product changes without incurring liability or obligation with respect to similar product previously manufactured. If technical advice is offered or given in connection with the use of any Products it will be as an accommodation to Buyer and without charge and Seller shall have no responsibilities or liabilities whatsoever for the content or use of such advice.

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