• Mercury: Flat Head – Dome Top: 3.375 Bore – 4.000 Stroke – 1.436 C/H – #80570

    Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 5LBS)
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 3.375
    Stroke: 4.000
    Rod Length: 7.000
    Compression Height: 1.436
    Dome Height: .187
    Gram Weight: 345
    Rings: 3/32 3/32 5/32
    Ring Set: GRA2366-STD
    Rings Included: NO
    Pin Type: 5115 Straight Wall
    Pin Diameter: .750
    Pin Length: 2.770
    Pin Wall: .195
    Pin Weight: 120 Grams
    Pin Lock Type: Single Spiral Lock
    Details

  • Mercury: Flat Head – Dome Top: 3.375 Bore – 4.125 Stroke – 1.374 C/H – #80571

    Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 5LBS)
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 3.375
    Stroke: 4.125
    Rod Length: 7.000
    Compression Height: 1.374
    Dome Height: .187
    Gram Weight: 347
    Rings: 3/32 3/32 5/32
    Ring Set: GRA2366-STD
    Rings Included: NO
    Pin Type: 5115 Straight Wall
    Pin Diameter: .750
    Pin Length: 2.770
    Pin Wall: .195
    Pin Weight: 120 Grams
    Pin Lock Type: Single Spiral Lock
    Details

  • Mitsubishi: 4G63 Gen 1 – Dish Top: 1.130 C/H – 3.366 Bore – -16.20CC – #80183

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.366(in) - 85.50(mm)
    Stroke: 3.937
    Rod Length: 5.906
    Head CC: 47.0
    Compression Height: 1.130
    Compression Ratio: 9.10
    Dome Volume: -16.20
    Gram Weight: 318
    Rings: 1.5 1.5 3.0
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: 4G63 Gen 1 – Dish Top: 1.130 C/H – 3.376 Bore – -16.70CC – #99870

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.376(in) - 85.75(mm)
    Stroke: 3.937
    Rod Length: 5.906
    Head CC: 47.0
    Compression Height: 1.130
    Compression Ratio: 9.00
    Dome Volume: -16.70
    Gram Weight: 318
    Rings: 1.5 1.5 3.0
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: 4G63 Gen 1 – Dish Top: 1.375 C/H – 3.366 Bore – -12.10CC – #80184

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.366(in) - 85.50(mm)
    Stroke: 3.465
    Rod Length: 5.906
    Head CC: 47.0
    Compression Height: 1.375
    Compression Ratio: 8.30
    Dome Volume: -12.10
    Gram Weight: 357
    Rings: 1.5 1.5 3.0
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: 4G63 Gen 1 – Dish Top: 1.375 C/H – 3.366 Bore – -12.10CC – #99737

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.366(in) - 85.50(mm)
    Stroke: 3.465
    Rod Length: 5.906
    Head CC: 47.0
    Compression Height: 1.375
    Compression Ratio: 8.30
    Dome Volume: -12.10
    Gram Weight: 359
    Rings: 1.5 1.5 3.0
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: 4G63 Gen 1 – Dish Top: 1.375 C/H – 3.376 Bore – -12.50CC – #99739

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.376(in) - 85.75(mm)
    Stroke: 3.465
    Rod Length: 5.906
    Head CC: 47.0
    Compression Height: 1.375
    Compression Ratio: 8.30
    Dome Volume: -12.50
    Gram Weight: 359
    Rings: 1.5 1.5 3.0
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: 4G63 Gen 2 – Dish Top: 1.130 C/H – 3.366 Bore – -16.20CC – #80182

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.366(in) - 85.50(mm)
    Stroke: 3.937
    Rod Length: 5.906
    Head CC: 47.0
    Compression Height: 1.130
    Compression Ratio: 9.00
    Dome Volume: -16.20
    Gram Weight: 314
    Rings: 1.5 1.5 3.0
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: 4G63 Gen 2 – Dish Top: 1.130 C/H – 3.376 Bore – -16.70CC – #80185

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.376(in) - 85.75(mm)
    Stroke: 3.937
    Rod Length: 5.906
    Head CC: 47.0
    Compression Height: 1.130
    Compression Ratio: 9.00
    Dome Volume: -16.70
    Gram Weight: 315
    Rings: 1.5 1.5 3.0
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: 4G63 Gen 2 – Dish Top: 1.375 C/H – 3.376 Bore – -12.50CC – #99816

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.376(in) - 85.75(mm)
    Stroke: 3.465
    Rod Length: 5.906
    Head CC: 47.0
    Compression Height: 1.375
    Compression Ratio: 8.30
    Dome Volume: -12.50
    Gram Weight: 345
    Rings: 1.5 1.5 3.0
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: 6G72 4V – Flat Top: 1.254 C/H – 3.607 Bore – -2.00CC – #99874

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 3.607(in) - 91.60(mm)
    Stroke: 2.992
    Rod Length: 5.548
    Head CC: 51.0
    Compression Height: 1.254
    Compression Ratio: 9.00
    Dome Volume: -2.00
    Gram Weight: 358
    Rings: 1.0 1.2 2.8
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: 6G72 4V – Flat Top: 1.312 C/H – 3.617 Bore – -2.20CC – #99875

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 3.617(in) - 91.87(mm)
    Stroke: 2.992
    Rod Length: 5.548
    Head CC: 51.0
    Compression Height: 1.312
    Compression Ratio: 9.00
    Dome Volume: -2.20
    Gram Weight: 379
    Rings: 1.0 1.2 2.8
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: 6G74 SIGMA – Dish Top: 1.254 C/H – 3.661 Bore – -11.10CC – #99809

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.661(in) - 93.00(mm)
    Stroke: 3.386
    Rod Length: 6.048
    Head CC: 46.0
    Compression Height: 1.254
    Compression Ratio: 8.30
    Dome Volume: -11.10
    Gram Weight: 376
    Rings: 1.0 1.2 2.8
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: EVO STD – Dish Top: 1.375 C/H – 3.346 Bore – -10.50CC – #99873

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.346(in) - 85.00(mm)
    Stroke: 3.465
    Rod Length: 5.906
    Head CC: 47.0
    Compression Height: 1.375
    Compression Ratio: 8.80
    Dome Volume: -10.50
    Gram Weight: 329
    Rings: 1.0 1.2 2.8
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: EVOX 4B11 – Dish Top: 1.312 C/H – 3.386 Bore – -4.40CC – #80180

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.386(in) - 86.00(mm)
    Stroke: 3.386
    Rod Length: 5.906
    Head CC: 50.5
    Compression Height: 1.312
    Compression Ratio: 9.10
    Dome Volume: -4.40
    Gram Weight: 342
    Rings: 1.0 1.2 2.8
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Mitsubishi: EVOX 4B11 – Dish Top: 1.312 C/H – 3.406 Bore – -4.40CC – #80181

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.406(in) - 86.50(mm)
    Stroke: 3.386
    Rod Length: 5.906
    Head CC: 50.5
    Compression Height: 1.312
    Compression Ratio: 9.10
    Dome Volume: -4.40
    Gram Weight: 345
    Rings: 1.0 1.2 2.8
    Rings Included: NO
    Pin Type: 52100 .200 Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Monster Truck

    Details

  • Nissan: KA24 – Dish Top: 1.340 C/H – 3.524 Bore – -29.50CC – #99882

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 3.524(in) - 89.50(mm)
    Stroke: 3.780
    Rod Length: 6.496
    Head CC: 43.0
    Compression Height: 1.340
    Compression Ratio: 8.50
    Dome Volume: -29.50
    Gram Weight: 362
    Rings: 1.0 1.2 2.8
    Rings Included: NO
    Pin Type: 52100 Tool Steel .200 Straight Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Nissan: RB26DETT – Dome Top: 1.191 C/H – 3.406 Bore – 19.00CC – #99876

    Recommended For Turbo & Nitrous Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 3.406(in) - 86.50(mm)
    Stroke: 2.900
    Rod Length: 4.783
    Head CC: 70.0
    Compression Height: 1.191
    Compression Ratio: 8.50
    Dome Volume: 19.00
    Gram Weight: 355
    Rings: 1.0 1.2 2.8
    Rings Included: NO
    Pin Type: 52100 Tool Steel .200 Straight Wall
    Note: Compression Ratio based on factory head and gasket.
    Details

  • Nissan: RB30DE – Dome Top: 1.260 C/H – 3.406 Bore – 12.44CC – #99730

    Recommended for Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 3.406(in) - 86.50(mm)
    Stroke: 3.347
    Rod Length: 6.102
    Head CC: 70.0
    Compression Height: 1.260
    Compression Ratio: 8.50
    Dome Volume: 12.44
    Gram Weight: 382
    Rings: 1.0 1.2 2.8
    Rings Included: NO
    Pin Type: 52100 Tool Steel .200 Straight Wall
    Note: Uses RB26DETT cylinder head. Compression Ratio based on factory head and gasket.
    Details

625 S Douglas St. El Segundo, CA 90245

Phone: 1 (310) 536-0100

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Family Run Since 1979…

For roughly 4 decades now, Ross Racing Pistons has met the global racer demand, for the most advanced forged pistons in the racing industry. Along with a dedicated line of in-stock pistons, we specialize in the manufacturing of custom, high-end, forged aluminum Import and Domestic piston applications, for use in high horsepower motorsports.
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