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Manley Engine Kit for 2004-2017 Subaru EJ255/EJ257, 99.75mm, 8.5:1 CR w/ H-Beam Rods/Standard Pistons

Manley Engine Kit for 2004-2017 Subaru EJ255/EJ257, 99.75mm, 8.5:1 CR w/ H-Beam Rods/Standard Pistons
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Manley Engine Kit for 2004-2017 Subaru EJ255/EJ257, 99.75mm, 8.5:1 CR w/ H-Beam Rods/Standard Pistons
List Price: $3,287.21
Our Price: $2,903.20
You save $384.01!


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Availability:: Usually Ships in 1-2 Business Days
Product Code: MANLEY-190040-14024-612002C

Description
 
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Manley Engine Kit for 2004-2017 Subaru EJ255/EJ257, 99.75mm, 8.5:1 CR w/ H-Beam Rods/Standard Pistons
The Manley Engine Kit for 2004-2017 Subaru applications with the EJ255 or EJ257 engine is one of the best ways to increase the strength of the Subaru EJ25 platform. This kit features a 79mm stroke billet crankshaft machined from vacuum degassed aerospace grade 4340 billet steel. The crankshaft is multi-step heat treated, shot-peened, stress relieved and nitrided for ultimate strength and durability. Paired with this crankshaft are Manley's Platinum Series Forged pistons. These pistons are made from 2618 forged aluminum and have offset wrist pins for quieter start-ups. They come with tool steel wrist pins, round wire locks, and a premium ring set. Completing the kit is a set of Manley H-Beam connecting rods. These rods are machined from aircraft grade, vacuum-degassed 4340 steel forgings and paired with 3/8" ARP2000 rod bolts for high tensile strength and power capability. ACL Race Main and Rod Bearings are included for proper clearance and reliable performance.

Applications:
2006-2014 Subaru Impreza WRX (WRX)
2004-2017 Subaru Impreza STI (STI)
2004-2006 Subaru Baja Turbo Crew
2004-2013 Subaru Forester XT/2.5XT
2005-2013 Subaru Legacy GT/2.5GT
2005-2009 Subaru Outback XT/2.5XT
2006 Saab 9-2X Aero
Features
  • 4340 Billet crankshaft
  • Crankshaft processed through Multi-step heat treatment
  • Crankshaft and rods are fully machined, heat treated, stress relieved, shot peened and 100% magnafluxed
  • Connecting Rods made from 4340 steel forgings
  • Rods Weight matched to +/- 1.5 grams
  • Pistons machined from High strength 2618 alloy forgings
  • Pistons have exacting ring groove squareness to cylinder wall providing maximum horsepower
  • Pistons have Offset wrist pin design and Moly coated skirts
  • Will accomodate +1mm valve sizes

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