Performance Auto Parts & Car Accessories | Unbeatable Prices Your One Stop Shop For Performance Auto Parts

Choose Your Car 
Manley Platinum Series Pistons & Turbo Tuff I-Beam Rods | 2004-2021 Subaru STI

MAP lowest price guarantee MAP lowest price guarantee Find a lower price!?
We'll refund the difference!

Manley Performance

Manley Platinum Series Pistons & Turbo Tuff I-Beam Rods | 2004-2021 Subaru STI

PART#
Find a lower price!?

( We'll refund the difference! )

Give us a call to get the best prices and parts for your build. Or, just call us with a cool racing story...either way we're here.

Email - sales@maperformance.com

Phone 1-888-627-3736



$ 1,398.58   $ 2,085.00
Instant Savings of % ()

Free delivery by , to your door when ordered within hrs and mins

Fits Your
MAP Loyalty: Earn $ 27.97 Toward Next Purchase!

Subaru STI EJ257 Pistons & Rods Kit - Manley Platinum Series Pistons & Turbo Tuff I-Beam Rods

Complete with Manley Performance Platinum Series Pistons and Turbo Tuff I-Beam Connecting Rods, this kit is made to take the EJ257 engine in your STI to the next level.

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Offset wrist pin design is utilized for quiet start-ups. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. All pistons come with moly coated skirts. Round wire locks, premium chrome moly wrist pins, and premium steel top ring sets from Total Seal are included with every kit at no additional charge.

Manley Pro Series connecting rods are forged from aircraft quality 4340 vacuum degassed material. Each rod is fully machined in the Manley Lakewood, NJ factory to the highest standards. Our signature "Turbo Tuff" design combines the appropriate weight and rugged strength for ultimate horsepower applications. Each rod is shot peened after machining and magnafluxed. Bores are round and without taper. Bend and twist is tightly controlled. Cap fasteners are 3/8" APR 2000 cap screws.

Features

  • Pistons: 2618 high strength material; Lightweight design with offset wrist pin for quiet start-ups
  • Pistons: 2.500” x .180” wall Premium Chrome Moly pin (Standard Series) included P/N 42346
  • Pistons: Pressure balance groove
  • Pistons: Will accommodate +1mm valve sizes
  • Pistons: Premium Steel top rings with Napier seconds and round wire locks included
  • Connecting Rods: Forged from 4340 aircraft quality vacuum degassed material
  • Connecting Rods: Shot peened after machining to MIL spec and 100% individually magnafluxed
  • Connecting Rods: Specifically designed to handle high horsepower applications when using turbos and/or nitrous
  • Connecting Rods: Fasteners are 3/8”
  • Connecting Rods: Flywheel horsepower range for these rods in a 4 cylinder application is 1,000+

Benefits

  • Optimizes engine performance
  • Rugged strength and durability
  • Designed to handle high horsepower

Applications

  • 2004 - 2021 Subaru STI

What's In The Box?

  • 4 - Pistons & Rings
  • 4 - Connecting Rods & Fasteners

Warranty

  • Manufacturer Standard Warranty

Subaru STI EJ257 Pistons & Rods Kit - Manley Platinum Series Pistons & Turbo Tuff I-Beam Rods

Complete with Manley Performance Platinum Series Pistons and Turbo Tuff I-Beam Connecting Rods, this kit is made to take the EJ257 engine in your STI to the next level.

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Offset wrist pin design is utilized for quiet start-ups. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. All pistons come with moly coated skirts. Round wire locks, premium chrome moly wrist pins, and premium steel top ring sets from Total Seal are included with every kit at no additional charge.

Manley Pro Series connecting rods are forged from aircraft quality 4340 vacuum degassed material. Each rod is fully machined in the Manley Lakewood, NJ factory to the highest standards. Our signature "Turbo Tuff" design combines the appropriate weight and rugged strength for ultimate horsepower applications. Each rod is shot peened after machining and magnafluxed. Bores are round and without taper. Bend and twist is tightly controlled. Cap fasteners are 3/8" APR 2000 cap screws.

Features

  • Pistons: 2618 high strength material; Lightweight design with offset wrist pin for quiet start-ups
  • Pistons: 2.500” x .180” wall Premium Chrome Moly pin (Standard Series) included P/N 42346
  • Pistons: Pressure balance groove
  • Pistons: Will accommodate +1mm valve sizes
  • Pistons: Premium Steel top rings with Napier seconds and round wire locks included
  • Connecting Rods: Forged from 4340 aircraft quality vacuum degassed material
  • Connecting Rods: Shot peened after machining to MIL spec and 100% individually magnafluxed
  • Connecting Rods: Specifically designed to handle high horsepower applications when using turbos and/or nitrous
  • Connecting Rods: Fasteners are 3/8”
  • Connecting Rods: Flywheel horsepower range for these rods in a 4 cylinder application is 1,000+

Benefits

  • Optimizes engine performance
  • Rugged strength and durability
  • Designed to handle high horsepower

Applications

  • 2004 - 2021 Subaru STI

What's In The Box?

  • 4 - Pistons & Rings
  • 4 - Connecting Rods & Fasteners

Warranty

  • Manufacturer Standard Warranty

Customer Reviews

No reviews yet
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

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 Click Here For Customer Service.

Lead: Variants: nullnull

We use cookies to offer a better browsing experience, analyze site traffic, personalize content, and serve targeted advertisements. Please review our privacy policy & cookies information page.  If you continue you consent to our privacy policy & use of cookies.Accept

Hello!

Unfortunately due to vendor restrictions we are unable to sell this brand within Australia or the UK. If you have any questions, feel like you received this message in error or would like suggestions on other brands please contact us here.

Hello!

Unfortunately due to vendor restrictions we are unable to sell this brand within Australia. If you have any questions, feel like you received this message in error or would like suggestions on other brands please contact us here.

Hello!

Unfortunately due to vendor restrictions we are unable to sell this brand within your country. If you have any questions, feel like you received this message in error or would like suggestions on other brands please contact us here.

Hello!

Unfortunately due to vendor restrictions we are unable to sell this product or brand within California. If you have any questions, feel like you received this message in error or would like suggestions on other brands please contact us Here or call 1-888-627-3736 to speak to one of our experts.

Hello!

Unfortunately we are not able to ship this item outside of the United States.
If you have any questions please contact us at: 1-888-627-3736 or Email Us Here.