Language
Real Street Performance
Toggle Nav
Menu
Account
Settings
Language
Real Street Performance
Search
Advanced Search
My Cart
  • Compare Products

EJ257B 08-17 STi Pistons

Use the questions below to help filter the results that are appropriate for your project. Or if you need help reach out to one of our experienced staff members to point you in the right direction!

Which engine configuration will you be building?
Please select your option.
Will your engine block need machining? or will it stay standard bore?
Please select your option.
Will you be using a standard length connecting rod? or a longer-than-stock connecting rod?
Please select your option.
Will you be using a standard stroke crankshaft? or an aftermarket stroke crankshaft?
Please select your option.
What compression ratio are you looking for?
Please select your option.
View as Grid List

Items 1-12 of 355

Set Descending Direction
  1. JE FSR Forged Pistons WRX STi EJ257 75mm De-Stroke Long Rod 99.75mm +0.25mm 9.1:1 -7.3 cc 310937
    SKU# 310937
    JE FSR Forged Pistons WRX STi EJ257 75mm De-Stroke Long Rod 99.75mm +0.25mm 9.1:1 -7.3 cc 310937
    $821.78
    1 In Stock
    Specs
    Specs
    Bore Diameter 99.75mm (+0.010in Over)
    Compression Ratio 9.1:1
    Rod Length 5.216in / 132.5mm Long Rod
    Stroke 75mm De-Stroked
    Pin .905in x 2.250in x .180in
  2. Manley Forged Pistons Fits WRX STi EJ257 75mm De-Stroke Long Rod 99.55mm +0.05mm -17 cc 8.1:1
    SKU# 612201C-4
    Manley Forged Pistons Fits WRX STi EJ257 75mm De-Stroke Long Rod 99.55mm +0.05mm -17 cc 8.1:1
    $678.86
    1 In Stock
    Specs
    Specs
    Bore Diameter 99.55mm (+0.002in Over)
    Compression Ratio 8.1:1
    Rod Length 5.216in / 132.5mm Long Rod
    Stroke 75mm De-Stroked
    Pin .905in x 2.500in x .180in
  3. Manley Platinum Series Forged Pistons Subaru WX STi EJ257 99.75mm +0.25mm -22 cc 8.0:1
    SKU# 612002C-4
    Manley Platinum Series Forged Pistons Subaru WX STi EJ257 99.75mm +0.25mm -22 cc 8.0:1
    $678.86
    2 In Stock
    Specs
    Specs
    Bore Diameter 99.75mm (+0.010in Over)
    Compression Ratio 8.0:1
    Rod Length 5.137in / 130.5mm
    Stroke 79mm Standard
    Pin .905in x 2.500in x .180in
  4. Manley Platinum Series Forged Pistons Subaru WX STi EJ257 99.5mm STD -22 cc 8.0:1
    SKU# 612000C-4
    Manley Platinum Series Forged Pistons Subaru WX STi EJ257 99.5mm STD -22 cc 8.0:1
    $678.86
    1 In Stock
    Specs
    Specs
    Bore Diameter 99.5mm (STD)
    Compression Ratio 8.0:1
    Rod Length 5.137in / 130.5mm
    Stroke 79mm Standard
    Pin .905in x 2.500in x .180in
  5. Wiseco AP Forged Pistons Subaru WRX STi EJ257 75mm De-Stroke Long Rod 99.75mm +0.25mm -19 cc 8.1:1
    SKU# K598M9975AP
    Wiseco AP Forged Pistons Subaru WRX STi EJ257 75mm De-Stroke Long Rod 99.75mm +0.25mm -19 cc 8.1:1
    $776.52
    3 In Stock
    Specs
    Specs
    Bore Diameter 99.75mm (+0.010in Over)
    Compression Ratio 8.1:1
    Rod Length 5.216in / 132.5mm Long Rod
    Stroke 75mm De-Stroked
    Pin .905in x 2.500in x .180in
  6. JE FSR Forged Pistons Subaru WRX STi EJ257 99.75mm +0.25mm 9.5:1 -7.3 cc 310937
    SKU# 310937
    JE FSR Forged Pistons Subaru WRX STi EJ257 99.75mm +0.25mm 9.5:1 -7.3 cc 310937
    $821.78
    1 In Stock
    Specs
    Specs
    Bore Diameter 99.75mm (+0.010in Over)
    Compression Ratio 9.5:1
    Rod Length 5.137in / 130.5mm
    Stroke 79mm Standard
    Pin .905in x 2.250in x .180in
  7. Wiseco AP Forged Pistons Subaru WRX STi EJ257 99.75mm +0.25mm -19 cc 8.5:1
    SKU# K598M9975AP
    Wiseco AP Forged Pistons Subaru WRX STi EJ257 99.75mm +0.25mm -19 cc 8.5:1
    $776.52
    3 In Stock
    Specs
    Specs
    Bore Diameter 99.75mm (+0.010in Over)
    Compression Ratio 8.5:1
    Rod Length 5.137in / 130.5mm
    Stroke 79mm Standard
    Pin .905in x 2.500in x .180in
  8. Manley Forged Pistons Fits WRX STi EJ257 75mm De-Stroke Long Rod 99.75mm +0.25mm -17 cc 8.1:1
    SKU# 612202C-4
    Manley Forged Pistons Fits WRX STi EJ257 75mm De-Stroke Long Rod 99.75mm +0.25mm -17 cc 8.1:1
    $678.86
    1 In Stock
    Specs
    Specs
    Bore Diameter 99.75mm (+0.010in Over)
    Compression Ratio 8.1:1
    Rod Length 5.216in / 132.5mm Long Rod
    Stroke 75mm De-Stroked
    Pin .905in x 2.500in x .180in
  9. Manley Platinum Series Forged Piston Subaru WRX STi EJ257 99.5mm B Grade -22 cc 8.0:1
    SKU# 612000CB-1
    Manley Platinum Series Forged Piston Subaru WRX STi EJ257 99.5mm B Grade -22 cc 8.0:1
    $182.83
    6 In Stock
    Specs
    Specs
    Bore Diameter 99.5mm (Grade B)
    Compression Ratio 8.0:1
    Rod Length 5.137in / 130.5mm
    Stroke 79mm Standard
    Pin .905in x 2.500in x .180in
  10. CP Forged Pistons with HD Pins Subaru WRX STi EJ257 2.5L 99.75mm +0.25mm -21 cc 8.2:1
    SKU# SC7422-260
    CP Forged Pistons with HD Pins Subaru WRX STi EJ257 2.5L 99.75mm +0.25mm -21 cc 8.2:1
    $1,089.15
    1 In Stock
    Specs
    Specs
    Bore Diameter 99.75mm (+0.010in Over)
    Compression Ratio 8.2:1
    Rod Length 5.137in / 130.5mm
    Stroke 79mm Standard
    Pin 9310 Steel .905in x 2.500in x .260in
  11. CP Forged Pistons Subaru WRX STi EJ257 2.5L 99.75mm +0.25mm -21 cc 8.2:1
    SKU# SC7422
    CP Forged Pistons Subaru WRX STi EJ257 2.5L 99.75mm +0.25mm -21 cc 8.2:1
    $885.15
    2 In Stock
    Specs
    Specs
    Bore Diameter 99.75mm (+0.010in Over)
    Compression Ratio 8.2:1
    Rod Length 5.137in / 130.5mm
    Stroke 79mm Standard
    Pin .905in x 2.500in x .180in
  12. Manley Platinum Series Forged Pistons Fits Subaru WRX STi EJ257 99.55mm +0.05mm -17 cc 8.5:1
    SKU# 612201C-4
    Manley Platinum Series Forged Pistons Fits Subaru WRX STi EJ257 99.55mm +0.05mm -17 cc 8.5:1
    $678.86
    1 In Stock
    Specs
    Specs
    Bore Diameter 99.55mm (+0.002in Over)
    Compression Ratio 8.5:1
    Rod Length 5.137in / 130.5mm
    Stroke 79mm Standard
    Pin .905in x 2.500in x .180in
Page
per page
Filters
Shopping Options
Price
Model
  1. STi 04-07 GD 355 items
  2. STi 08-14 GR 355 items
  3. STi 15-21 VA 355 items
  4. WRX 06-07 GD 1 item
  5. WRX 06-07 GG 1 item
  6. WRX 08-14 GR 1 item
Engine
  1. EJ255 1 item
  2. EJ257 355 items
  3. EJ257B 355 items
Part Type
  1. Piston Rings 1 item
  2. Pistons 354 items
Brand
  1. Arias Pistons 6 items
  2. CP Pistons 50 items
  3. Diamond Racing Pistons 88 items
  4. JE Pistons 38 items
  5. MAHLE Motorsports 36 items
  6. Manley Performance 114 items
  7. Tomei 2 items
  8. Wiseco 21 items
Engine Configuration
  1. 2.5L (Stock Stroke + Stock Rod Length) 158 items
  2. 2.3L De-Stroker (75mm Stroke + Stock Rod Length) 18 items
  3. 2.3L Long Rod De-Stroker (75mm Stroke + 132.5mm Rod Length) 86 items
  4. 2.7L Stroker (83mm Stroke + Stock Rod Length) 61 items
  5. 2.5L Long Rod (Stock Stroke + 132.5mm Rod Length) 27 items
  6. 2.7L Short Rod Stroker (83mm Stroke + 127.8mm Rod Length) 2 items
Availability New
  1. In Stock / Available 162 items
Bore
  1. 99.55mm (0.002" Over) 10 items
  2. 99.5mm (Grade A) 3 items
  3. 99.5mm (Grade B) 5 items
  4. 99.5mm (Standard Bore) 98 items
  5. 99.75mm (0.010" Over) 98 items
  6. 100.25mm (0.030" Over) 4 items
  7. 100.5mm (0.040" Over) 32 items
  8. 100mm (0.020" Over) 103 items
Carb Legal
  1. No 37 items
  2. Unspecified 318 items
Compatible with Stock Sleeves
  1. Yes 354 items
Compression Ratio Range
  1. 7.0:1 - 8.0:1 38 items
  2. 8.0:1 - 9.0:1 248 items
  3. 9.0:1 - 10.0:1 124 items
  4. 10.0:1 - 11.0:1 24 items
Product Flags
  1. sale 3 items
Bore Diameter
  1. 100.25mm 4 items
  2. 100.5mm 32 items
  3. 100mm 103 items
  4. 99.55mm 10 items
  5. 99.5mm 107 items
  6. 99.75mm 98 items
Bore Oversize
  1. 0.002" / 0.05mm 10 items
  2. 0.010" / 0.25mm 98 items
  3. 0.020" / 0.5mm 103 items
  4. 0.030" / 0.75mm 4 items
  5. 0.040" / 1.0mm 32 items
  6. Standard Bore 99 items
  7. Grade B 5 items
  8. Grade A 3 items
Compression Ratio
  1. 7.9:1 5 items
  2. 8.0:1 33 items
  3. 8.1:1 46 items
  4. 8.2:1 27 items
  5. 8.3:1 4 items
  6. 8.4:1 3 items
  7. 8.5:1 60 items
  8. 8.6:1 17 items
  9. 8.7:1 19 items
  10. 8.8:1 12 items
  11. 9.0:1 27 items
  12. 9.1:1 31 items
  13. 9.2:1 14 items
  14. 9.3:1 2 items
  15. 9.4:1 1 item
  16. 9.5:1 19 items
  17. 9.6:1 6 items
  18. 9.9:1 4 items
  19. 10.0:1 20 items
  20. 10.1:1 4 items
Desired Displacement
  1. 2.3L 43 items
  2. 2.4L 25 items
Face Type
  1. Dish 217 items
  2. Dome 1 item
  3. Flat 9 items
Pin Size
  1. 0.905" / 23mm 354 items
Piston Material
  1. 2618 341 items
  2. 4032 13 items
Piston Coating
  1. Crown Coating 36 items
  2. Skirt Coating 296 items
Rod Length
  1. 5.137" / 130.5mm 238 items
  2. 5.216" / 132.5mm 113 items
Rod Length Oversize
  1. -0.106" / -2.7mm 2 items
  2. 0.079" / 2.0mm 113 items
  3. Standard Length 238 items
Skirt Type
  1. Full Round 262 items
  2. Slipper Skirt 92 items
Pin Material
  1. 4130 Chrome Moly Steel 44 items
  2. 5100 Chrome Moly Steel 36 items
  3. 5115 Steel 95 items
  4. 52100 Steel 21 items
  5. 9310 Steel 77 items
  6. H13 Tool Steel 44 items
Requires Aftermarket Sleeves
  1. No 354 items
Rod Length
  1. 127.8mm (Short Rod) 2 items
  2. 130.5mm (Standard Length) 237 items
  3. 132.5mm (Long Rod) 113 items
Stroke
  1. 75mm (2.3L De-Stroker) 104 items
  2. 79mm (Standard Stroke) 187 items
  3. 83mm (2.7L Stroker) 62 items
Wrist Pin Size
  1. .905" x 2.250" x .180" 11 items
  2. .905" x 2.500" x .150" 2 items
  3. .905" x 2.500" x .180" 53 items
  4. .905" x 2.500" x .210" 4 items
Wrist Pin Wall Thickness
  1. 0.150" 4 items
  2. 0.180" 196 items
  3. 0.187" 36 items
  4. 0.210" 52 items
  5. 0.225" 44 items
  6. 0.260" 21 items
Availability
  1. In Stock 13 items
  2. Available 149 items
  3. Call 41 items
  4. Back Ordered 152 items

Not sure about a purchase?

Contact us at any of our channels and get inmediate help before making decisions.

Copyright© 2022 realstreetperformance.com | All Rights Reserved