• Chevrolet Big Block: Pro Mod 18 Deg Nitrous Special – High Compression – Dome Top: 1.120 C/H – 4.600 Bore – 4.250 Stroke – 14.00CC – #99827

    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: 6.535
    Compression Height: 1.120
    Compression Ratio (82): 15.30
    Compression Ratio (85): 14.80
    Compression Ratio (97): 13.00
    Dome Volume: 14.00
    Dome Height: .180
    Gram Weight: 628
    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 (Not Included)
    Block Height: 9.800
    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: 1.120 C/H – 4.600 Bore – 4.750 Stroke – 14.00CC – #99827

    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: 4.750
    Rod Length: 6.700
    Compression Height: 1.120
    Compression Ratio (82): 17.00
    Compression Ratio (85): 16.40
    Compression Ratio (97): 14.50
    Dome Volume: 14.00
    Dome Height: .180
    Gram Weight: 628
    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 (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: 1.120 C/H – 4.625 Bore – 4.250 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: 4.250
    Rod Length: 6.535
    Compression Height: 1.120
    Compression Ratio (82): 15.50
    Compression Ratio (85): 15.00
    Compression Ratio (97): 13.20
    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: 9.800
    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: 1.120 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: 6.385
    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 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

625 S Douglas St. El Segundo, CA 90245

Phone: 1 (310) 536-0100

Save

Save

E-Mail Us

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.
Go to Top