• Chevrolet: 350 Small Block – 17/18 Degree – Flat Top: 1.420 C/H – 4.040 Bore – 3.750 Stroke – -6.00CC – #99525

    Whats Included: Complete Set Of Pistons, Locks & Pins
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.040
    Stroke: 3.750
    Rod Length: 5.700
    Compression Height: 1.420
    Compression Ratio (52): 12.90
    Compression Ratio (58): 12.20
    Compression Ratio (64): 10.10
    Dome Volume: -6.00
    Gram Weight: 471
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: N/A
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.000 C/H – 4.125 Bore – 4.000 Stroke – -6.00CC – #99468

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.125
    Stroke: 4.000
    Rod Length: 6.000
    Compression Height: 1.000
    Compression Ratio (52): 14.10
    Compression Ratio (58): 13.40
    Compression Ratio (64): 11.60
    Dome Volume: -6.00
    Gram Weight: 412
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.000 C/H – 4.130 Bore – 4.000 Stroke – -6.00CC – #99468

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.130
    Stroke: 4.000
    Rod Length: 6.000
    Compression Height: 1.000
    Compression Ratio (52): 14.10
    Compression Ratio (58): 13.40
    Compression Ratio (64): 11.60
    Dome Volume: -6.00
    Gram Weight: 406
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.000 C/H – 4.145 Bore – 4.000 Stroke – -6.00CC – #99471

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.145
    Stroke: 4.000
    Rod Length: 6.000
    Compression Height: 1.000
    Compression Ratio (52): 14.20
    Compression Ratio (58): 13.50
    Compression Ratio (64): 11.70
    Dome Volume: -6.00
    Gram Weight: 420
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.000 C/H – 4.155 Bore – 4.000 Stroke – -6.00CC – #99474

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.155
    Stroke: 4.000
    Rod Length: 6.000
    Compression Height: 1.000
    Compression Ratio (52): 14.30
    Compression Ratio (58): 13.50
    Compression Ratio (64): 11.70
    Dome Volume: -6.00
    Gram Weight: 419
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.000 C/H – 4.165 Bore – 4.000 Stroke – -6.00CC – #99477

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.165
    Stroke: 4.000
    Rod Length: 6.000
    Compression Height: 1.000
    Compression Ratio (52): 14.30
    Compression Ratio (58): 13.60
    Compression Ratio (64): 11.80
    Dome Volume: -6.00
    Gram Weight: 428
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.063 C/H – 4.125 Bore – 3.875 Stroke – -6.00CC – #99465

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.125
    Stroke: 3.875
    Rod Length: 6.000
    Compression Height: 1.063
    Compression Ratio (52): 13.70
    Compression Ratio (58): 13.00
    Compression Ratio (64): 11.30
    Dome Volume: -6.00
    Gram Weight: 422
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.063 C/H – 4.130 Bore – 3.875 Stroke – -6.00CC – #99508

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.130
    Stroke: 3.875
    Rod Length: 6.000
    Compression Height: 1.063
    Compression Ratio (52): 13.70
    Compression Ratio (58): 13.00
    Compression Ratio (64): 11.30
    Dome Volume: -6.00
    Gram Weight: 420
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.063 C/H – 4.145 Bore – 3.875 Stroke – -6.00CC – #99470

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.145
    Stroke: 3.875
    Rod Length: 6.000
    Compression Height: 1.063
    Compression Ratio (52): 13.80
    Compression Ratio (58): 13.10
    Compression Ratio (64): 11.30
    Dome Volume: -6.00
    Gram Weight: 432
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.063 C/H – 4.155 Bore – 3.875 Stroke – -6.00CC – #99473

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.155
    Stroke: 3.875
    Rod Length: 6.000
    Compression Height: 1.063
    Compression Ratio (52): 13.80
    Compression Ratio (58): 13.00
    Compression Ratio (64): 11.40
    Dome Volume: -6.00
    Gram Weight: 436
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.063 C/H – 4.165 Bore – 3.875 Stroke – -6.00CC – #99476

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.165
    Stroke: 3.875
    Rod Length: 6.000
    Compression Height: 1.063
    Compression Ratio (52): 13.80
    Compression Ratio (58): 13.10
    Compression Ratio (64): 11.40
    Dome Volume: -6.00
    Gram Weight: 424
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.120 C/H – 4.125 Bore – 3.750 Stroke – -6.00CC – #99464

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.125
    Stroke: 3.750
    Rod Length: 6.000
    Compression Height: 1.120
    Compression Ratio (52): 13.30
    Compression Ratio (58): 12.60
    Compression Ratio (64): 10.90
    Dome Volume: -6.00
    Gram Weight: 439
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.120 C/H – 4.130 Bore – 3.750 Stroke – -6.00CC – #99467

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.130
    Stroke: 3.750
    Rod Length: 6.000
    Compression Height: 1.120
    Compression Ratio (52): 13.30
    Compression Ratio (58): 12.60
    Compression Ratio (64): 10.90
    Dome Volume: -6.00
    Gram Weight: 441
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.120 C/H – 4.145 Bore – 3.750 Stroke – -6.00CC – #99469

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.145
    Stroke: 3.750
    Rod Length: 6.000
    Compression Height: 1.120
    Compression Ratio (52): 13.40
    Compression Ratio (58): 12.70
    Compression Ratio (64): 11.00
    Dome Volume: -6.00
    Gram Weight: 448
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.120 C/H – 4.155 Bore – 3.750 Stroke – -6.00CC – #99472

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.155
    Stroke: 3.750
    Rod Length: 6.000
    Compression Height: 1.120
    Compression Ratio (52): 13.40
    Compression Ratio (58): 12.70
    Compression Ratio (64): 11.00
    Dome Volume: -6.00
    Gram Weight: 444
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 400 Small Block – 17/18 Degree – Flat Top: 1.120 C/H – 4.165 Bore – 3.750 Stroke – -6.00CC – #99475

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.165
    Stroke: 3.750
    Rod Length: 6.000
    Compression Height: 1.120
    Compression Ratio (52): 13.50
    Compression Ratio (58): 12.80
    Compression Ratio (64): 11.00
    Dome Volume: -6.00
    Gram Weight: 450
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-412
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.500
    Pin Wall: .150
    Pin Weight: 118 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

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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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