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  • 04-15 WRX/STI Extreme Duty Stroker 99.75mm +.25mm Size Bore 9.8:1 Comp Ratio Pistons by Manley (632502CE-4) - Modern Automotive Performance
  • Manley 9.8:1 Comp Ratio Pistons | 04-15 WRX/STI Extreme Duty Stroker 99.75mm +.25mm Size Bore (632502CE-4)

    Save 11% with code "VET11"

    Manley Performance

    Manley 9.8:1 Comp Ratio Pistons | 04-15 WRX/STI Extreme Duty Stroker 99.75mm +.25mm Size Bore

    PART# MAN 632502CE-4
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    Email - sales@maperformance.com
    Phone 1(888)627-3736



    $ 662.08   $ 755.00
    You Save 12% ($ 92.92)



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    Manley has recently released their Turbo Tuff pistons lineup targeted specifically for EJ25 engines. By incorporating proven design enhancements from their "Formula-Won" piston forging, they've created the ultimate Subaru piston to withstand the rigors of the highest boosted and stressed applications yet still run "quietly" and trouble-free for the daily driver.Like all Manley Subaru pistons, these are made from 2618 alloy, utilize an offset wrist pin design, are skirt coated and include a standard 2.500" x .180" wall premium chrome moly wrist pin (P/N 42346). 9310 alloy .210" wall pin upgrades are available. Simply order the EXTREME DUTY part number in the column below. These come equipped with the 9310 pins (P/N 42546). Premium steel top rings with Napier style second rings and higher tension oil rings for ultimate oil control are included with each set along with round wire locks. Recommended clearance: .003" for mildly boosted and .0035" for highly boosted measured 1.100" from the bottom of the oil ring groove.Manley Subaru EJ257 pistons now include Napier style second rings and higher tension oil rings (by Total Seal) for superior oil control.
    Manley has recently released their Turbo Tuff pistons lineup targeted specifically for EJ25 engines. By incorporating proven design enhancements from their "Formula-Won" piston forging, they've created the ultimate Subaru piston to withstand the rigors of the highest boosted and stressed applications yet still run "quietly" and trouble-free for the daily driver.Like all Manley Subaru pistons, these are made from 2618 alloy, utilize an offset wrist pin design, are skirt coated and include a standard 2.500" x .180" wall premium chrome moly wrist pin (P/N 42346). 9310 alloy .210" wall pin upgrades are available. Simply order the EXTREME DUTY part number in the column below. These come equipped with the 9310 pins (P/N 42546). Premium steel top rings with Napier style second rings and higher tension oil rings for ultimate oil control are included with each set along with round wire locks. Recommended clearance: .003" for mildly boosted and .0035" for highly boosted measured 1.100" from the bottom of the oil ring groove.Manley Subaru EJ257 pistons now include Napier style second rings and higher tension oil rings (by Total Seal) for superior oil control.

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    MAP Limited Lifetime Warranty

    1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

    2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

    3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

    4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

    For warranty evaluation please create a support ticket via this form here.

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