• Chevrolet Big Block: Pro Mod 18 Deg Nitrous Special – High Compression – Dome Top: 1.120 C/H – 4.625 Bore – 4.750 Stroke – 14.00CC – #99828

    Whats Included: Complete Set Of Pistons Only
    Application: Recommended for Applications Using Nitrous (400+HP Shot) / Not Recommended For Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.625
    Stroke: 4.750
    Rod Length: 6.700
    Compression Height: 1.120
    Compression Ratio (82): 17.20
    Compression Ratio (85): 16.60
    Compression Ratio (97): 14.60
    Dome Volume: 14.00
    Dome Height: .180
    Gram Weight: 641
    Rings: .043 1/16 3/16
    Ring Set: CR4307
    Rings Included: No
    Oil Rail Spacer: Not Included
    Pins: Not Included
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: N/A
    Pin Weight: N/A Grams
    Pin Buttons: B462 (Not Included)
    Block Height: 10.200
    Top Land: .300
    Second Land: .187
    Oil Land: .110
    Deck Thickness: .220
    Intake Cutter: 2.500
    Exhaust Cutter: 2.15
    Intake Depth: .320
    Exhaust Depth: -.020
    Note: Hard Core Drag Racing Only, with 17û & 18û Dart Big Chief, Brodix Big Duke and Brodix Pontiac
    Details

  • Chevrolet Big Block: Pro Mod 18 Deg Nitrous Special – High Compression – Dome Top: 1.270 C/H – 4.600 Bore – 4.250 Stroke – 14.00CC – #99830

    Whats Included: Complete Set Of Pistons Only
    Application: Recommended for Applications Using Nitrous (400+HP Shot) / Not Recommended For Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.600
    Stroke: 4.250
    Rod Length: 6.800
    Compression Height: 1.270
    Compression Ratio (82): 15.30
    Compression Ratio (85): 14.80
    Compression Ratio (97): 13.00
    Dome Volume: 14.00
    Dome Height: .180
    Gram Weight: 665
    Rings: .043 1/16 3/16
    Ring Set: CR4309
    Rings Included: No
    Oil Rail Spacer: Not Included
    Pins: Not Included
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: N/A
    Pin Weight: N/A Grams
    Pin Buttons: B460-1 (Not Included)
    Block Height: 10.200
    Top Land: .320
    Second Land: .190
    Oil Land: .100
    Deck Thickness: .220
    Intake Cutter: 2.500
    Exhaust Cutter: 2.15
    Intake Depth: .320
    Exhaust Depth: -.020
    Note: Hard Core Drag Racing Only, with 17û & 18û Dart Big Chief, Brodix Big Duke and Brodix Pontiac
    Details

  • Chevrolet Big Block: Pro Mod 18 Deg Nitrous Special – High Compression – Dome Top: 1.270 C/H – 4.600 Bore – 4.250 Stroke – 14.00CC – #99830

    Whats Included: Complete Set Of Pistons Only
    Application: Recommended for Applications Using Nitrous (400+HP Shot) / Not Recommended For Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.600
    Stroke: 4.250
    Rod Length: 6.385
    Compression Height: 1.270
    Compression Ratio (82): 15.30
    Compression Ratio (85): 14.80
    Compression Ratio (97): 13.00
    Dome Volume: 14.00
    Dome Height: .180
    Gram Weight: 665
    Rings: .043 1/16 3/16
    Ring Set: CR4309
    Rings Included: No
    Oil Rail Spacer: Not Included
    Pins: Not Included
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: N/A
    Pin Weight: N/A Grams
    Pin Buttons: B460-1 (Not Included)
    Block Height: 9.800
    Top Land: .320
    Second Land: .190
    Oil Land: .100
    Deck Thickness: .220
    Intake Cutter: 2.500
    Exhaust Cutter: 2.15
    Intake Depth: .320
    Exhaust Depth: -.020
    Note: Hard Core Drag Racing Only, with 17û & 18û Dart Big Chief, Brodix Big Duke and Brodix Pontiac
    Details

  • Chevrolet Big Block: Pro Mod 18 Deg Nitrous Special – High Compression – Dome Top: 1.270 C/H – 4.625 Bore – 4.250 Stroke – 14.00CC – #99829

    Whats Included: Complete Set Of Pistons Only
    Application: Recommended for Applications Using Nitrous (400+HP Shot) / Not Recommended For Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.625
    Stroke: 4.250
    Rod Length: 6.800
    Compression Height: 1.270
    Compression Ratio (82): 15.40
    Compression Ratio (85): 15.00
    Compression Ratio (97): 13.20
    Dome Volume: 14.00
    Dome Height: .180
    Gram Weight: 672
    Rings: .043 1/16 3/16
    Ring Set: CR4307
    Rings Included: No
    Oil Rail Spacer: Not Included
    Pins: Not Included
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: N/A
    Pin Weight: N/A Grams
    Pin Buttons: B462-1 (Not Included)
    Block Height: 10.200
    Top Land: .320
    Second Land: .190
    Oil Land: .100
    Deck Thickness: .220
    Intake Cutter: 2.500
    Exhaust Cutter: 2.15
    Intake Depth: .320
    Exhaust Depth: -.020
    Note: Hard Core Drag Racing Only, with 17û & 18û Dart Big Chief, Brodix Big Duke and Brodix Pontiac
    Details

  • Chevrolet Big Block: Pro Mod 18 Deg Nitrous Special – High Compression – Dome Top: 1.270 C/H – 4.625 Bore – 4.250 Stroke – 14.00CC – #99829

    Whats Included: Complete Set Of Pistons Only
    Application: Recommended for Applications Using Nitrous (400+HP Shot) / Not Recommended For Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.625
    Stroke: 4.250
    Rod Length: 6.385
    Compression Height: 1.270
    Compression Ratio (82): 15.40
    Compression Ratio (85): 15.00
    Compression Ratio (97): 13.20
    Dome Volume: 14.00
    Dome Height: .180
    Gram Weight: 672
    Rings: .043 1/16 3/16
    Ring Set: CR4307
    Rings Included: No
    Oil Rail Spacer: Not Included
    Pins: Not Included
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: N/A
    Pin Weight: N/A Grams
    Pin Buttons: B462-1 (Not Included)
    Block Height: 9.800
    Top Land: .320
    Second Land: .190
    Oil Land: .100
    Deck Thickness: .220
    Intake Cutter: 2.500
    Exhaust Cutter: 2.15
    Intake Depth: .320
    Exhaust Depth: -.020
    Note: Hard Core Drag Racing Only, with 17û & 18û Dart Big Chief, Brodix Big Duke and Brodix Pontiac
    Details

  • Chevrolet: 350 Small Block – 17/18 Degree – Dome Top: 1.255 C/H – 4.030 Bore – 3.480 Stroke – 6.00CC – #99480

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.030
    Stroke: 3.480
    Rod Length: 6.000
    Compression Height: 1.255
    Compression Ratio (52): 13.76
    Compression Ratio (58): 12.55
    Compression Ratio (64): 11.54
    Dome Volume: 6.00
    Gram Weight: 451
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-400
    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.
    Details

  • Chevrolet: 350 Small Block – 17/18 Degree – Dome Top: 1.255 C/H – 4.040 Bore – 3.480 Stroke – 6.00CC – #99482

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.040
    Stroke: 3.480
    Rod Length: 6.000
    Compression Height: 1.255
    Compression Ratio (52): 13.82
    Compression Ratio (58): 12.60
    Compression Ratio (64): 11.59
    Dome Volume: 6.00
    Gram Weight: 457
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-400
    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.
    Details

  • 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: 350 Small Block 17/18 Degree – Dome Top: 1.255 C/H – 4.030 Bore – 3.480 Stroke – 6.00CC – #99480

    Whats Included: Complete Set Of Pistons, Rings, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.030
    Stroke: 3.480
    Rod Length: 6.000
    Compression Height: 1.255
    Compression Ratio (58): 13.76
    Compression Ratio (64): 12.55
    Compression Ratio (76): 11.54
    Dome Volume: 6.00
    Gram Weight: 451
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-400
    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: 350 Small Block 17/18 Degree – Dome Top: 1.255 C/H – 4.040 Bore – 3.480 Stroke – 6.00CC – #99482

    Whats Included: Complete Set Of Pistons, Rings, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.040
    Stroke: 3.480
    Rod Length: 6.000
    Compression Height: 1.255
    Compression Ratio (58): 13.82
    Compression Ratio (64): 12.60
    Compression Ratio (76): 11.59
    Dome Volume: 6.00
    Gram Weight: 457
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-400
    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: 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)
    [Please Note]: 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:
    Details

  • Chevrolet: 350 Small Block 23 Degree – Dome Top: 1.125 C/H – 4.030 Bore – 3.750 Stroke – 11.00CC – #99559

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.030
    Stroke: 3.750
    Rod Length: 6.000
    Compression Height: 1.125
    Compression Ratio (58): 14.20
    Compression Ratio (64): 13.00
    Compression Ratio (76): 11.10
    Dome Volume: 11.00
    Gram Weight: 426
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-400
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.950
    Pin Wall: .150
    Pin Weight: 141 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 350 Small Block 23 Degree – Dome Top: 1.125 C/H – 4.040 Bore – 3.750 Stroke – 11.00CC – #99176

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.040
    Stroke: 3.750
    Rod Length: 6.000
    Compression Height: 1.125
    Compression Ratio (58): 14.30
    Compression Ratio (64): 13.00
    Compression Ratio (76): 11.20
    Dome Volume: 11.00
    Gram Weight: 431
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-400
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.950
    Pin Wall: .150
    Pin Weight: 141 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 350 Small Block 23 Degree – Dome Top: 1.125 C/H – 4.060 Bore – 3.750 Stroke – 11.00CC – #99561

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.060
    Stroke: 3.750
    Rod Length: 6.000
    Compression Height: 1.125
    Compression Ratio (58): 14.40
    Compression Ratio (64): 13.10
    Compression Ratio (76): 11.30
    Dome Volume: 11.00
    Gram Weight: 422
    Rings: 1/16 1/16 3/16
    Ring Set: N/A
    Rings Included: No
    Oil Rail Spacer: ORS-400
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.950
    Pin Wall: .150
    Pin Weight: 141 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 350 Small Block 23 Degree – Dome Top: 1.133 C/H – 4.030 Bore – 3.750 Stroke – 11.00CC – #90761

    Whats Included: Complete Set Of Pistons, Locks & Pins
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.030
    Stroke: 3.750
    Rod Length: 6.000
    Compression Height: 1.133
    Compression Ratio (58): 14.20
    Compression Ratio (64): 13.00
    Compression Ratio (76): 11.10
    Dome Volume: 11.00
    Gram Weight: 482
    Rings: 1/16 1/16 1/8
    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: Piston Rings Sold Separately.
    Details

  • Chevrolet: 350 Small Block 23 Degree – Dome Top: 1.133 C/H – 4.040 Bore – 3.750 Stroke – 11.00CC – #90757

    Whats Included: Complete Set Of Pistons, Locks & Pins
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.040
    Stroke: 3.750
    Rod Length: 6.000
    Compression Height: 1.133
    Compression Ratio (58): 14.30
    Compression Ratio (64): 13.00
    Compression Ratio (76): 11.20
    Dome Volume: 11.00
    Gram Weight: 469
    Rings: 1/16 1/16 1/8
    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: Piston Rings Sold Separately.
    Details

  • Chevrolet: 350 Small Block 23 Degree – Dome Top: 1.187 C/H – 4.030 Bore – 3.625 Stroke – 12.00CC – #99562

    Whats Included: Complete Set Of Pistons, Locks & Pins
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.030
    Stroke: 3.625
    Rod Length: 6.000
    Compression Height: 1.187
    Compression Ratio (58): 14.00
    Compression Ratio (64): 12.80
    Compression Ratio (76): 11.00
    Dome Volume: 12.00
    Gram Weight: 422
    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: 2.950
    Pin Wall: .150
    Pin Weight: 141 Grams
    Block Height: 9.025
    Note: Piston Rings Sold Separately.
    Details

  • Chevrolet: 350 Small Block 23 Degree – Dome Top: 1.196 C/H – 4.020 Bore – 3.625 Stroke – 13.00CC – #92661

    Whats Included: Complete Set Of Pistons, Locks & Pins
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.020
    Stroke: 3.625
    Rod Length: 6.000
    Compression Height: 1.196
    Compression Ratio (58): 14.20
    Compression Ratio (64): 12.40
    Compression Ratio (76): 11.00
    Dome Volume: 13.00
    Gram Weight: 460
    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: Piston Rings Sold Separately.
    Details

  • Chevrolet: 350 Small Block 23 Degree – Dome Top: 1.196 C/H – 4.030 Bore – 3.625 Stroke – 13.00CC – #90661

    Whats Included: Complete Set Of Pistons, Locks & Pins
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.030
    Stroke: 3.625
    Rod Length: 6.000
    Compression Height: 1.196
    Compression Ratio (58): 14.20
    Compression Ratio (64): 13.00
    Compression Ratio (76): 11.00
    Dome Volume: 13.00
    Gram Weight: 486
    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: Piston Rings Sold Separately.
    Details

  • Chevrolet: 350 Small Block 23 Degree – Dome Top: 1.227 C/H – 4.030 Bore – 3.562 Stroke – 13.00CC – #90561

    Whats Included: Complete Set Of Pistons, Locks & Pins
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.030
    Stroke: 3.562
    Rod Length: 6.000
    Compression Height: 1.227
    Compression Ratio (58): 14.00
    Compression Ratio (64): 12.80
    Compression Ratio (76): 10.90
    Dome Volume: 13.00
    Gram Weight: 497
    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: Piston Rings Sold Separately.
    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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