• Chevrolet Big Block: 454 Flat Top – Flat Top: 1.270 C/H – 4.310 Bore – 4.250 Stroke – -2CC – #85067

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Recommended for Applications Using Heavy Nitrous (400+HP Shot) / Boost (30+ LBS)
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.310
    Stroke: 4.250
    Rod Length: 6.385
    Compression Height: 1.270
    Compression Ratio (109.00): 9.00
    Compression Ratio (118.00): 8.50
    Compression Ratio (124.00): 8.20
    Dome Volume: -2
    Dome Height: Flat Top
    Gram Weight: 526
    Rings: 1/16 1/16 3/16
    Ring Set: CR9190
    Rings Included: No
    Oil Rail Spacer: ORS-425
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Pin Buttons: N/A
    Block Height: 9.790
    Top Land: .350
    Second Land: .190
    Oil Land: .095
    Deck Thickness: .220
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .120 up
    Note: Street, Drag & Marine Applications should use Taper Bore Pins in High HP Applications
    Details

  • Chevrolet Big Block: 454 Flat Top – Flat Top: 1.270 C/H – 4.320 Bore – 4.250 Stroke – -2CC – #85068

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Recommended for Applications Using Heavy Nitrous (400+HP Shot) / Boost (30+ LBS)
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.320
    Stroke: 4.250
    Rod Length: 6.385
    Compression Height: 1.270
    Compression Ratio (109.00): 9.00
    Compression Ratio (118.00): 8.50
    Compression Ratio (124.00): 8.20
    Dome Volume: -2
    Dome Height: Flat Top
    Gram Weight: 531
    Rings: 1/16 1/16 3/16
    Ring Set: CR9190
    Rings Included: No
    Oil Rail Spacer: ORS-431
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Pin Buttons: N/A
    Block Height: 9.790
    Top Land: .350
    Second Land: .190
    Oil Land: .095
    Deck Thickness: .220
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .120 up
    Note: Street, Drag & Marine Applications should use Taper Bore Pins in High HP Applications
    Details

  • Chevrolet Big Block: 454 Flat Top – Flat Top: 1.365 C/H – 4.310 Bore – 4.000 Stroke – -2CC – #82017

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Recommended for Applications Using Heavy Nitrous (400+HP Shot) / Boost (30+ LBS)
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.310
    Stroke: 4.000
    Rod Length: 6.385
    Compression Height: 1.365
    Compression Ratio (109.00): 8.10
    Compression Ratio (118.00): 7.70
    Compression Ratio (124.00): 7.40
    Dome Volume: -2
    Dome Height: Flat Top
    Gram Weight: 587
    Rings: 5/64 5/64 3/16
    Ring Set: RS-9590-65
    Rings Included: No
    Oil Rail Spacer: ORS425
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Pin Buttons: N/A
    Block Height: 9.790
    Top Land: .400
    Second Land: .200
    Oil Land: .100
    Deck Thickness: .200
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .120 up
    Note: Street, Drag & Marine Applications should use Taper Bore Pins in High HP Applications
    Details

  • Chevrolet Big Block: 454 Flat Top – Flat Top: 1.609 C/H – 4.310 Bore – 4.000 Stroke – -2CC – #86068

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Recommended for Applications Using Heavy Nitrous (400+HP Shot) / Boost (30+ LBS)
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.310
    Stroke: 4.000
    Rod Length: 6.135
    Compression Height: 1.609
    Compression Ratio (109.00): 8.00
    Compression Ratio (118.00): 7.60
    Compression Ratio (124.00): 7.30
    Dome Volume: -2
    Dome Height: Flat Top
    Gram Weight: 645
    Rings: 5/64 5/64 3/16
    Ring Set: RS-9590-65
    Rings Included: No
    Oil Rail Spacer: Not Included
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Pin Buttons: N/A
    Block Height: 9.790
    Top Land: .400
    Second Land: .200
    Oil Land: .100
    Deck Thickness: .200
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .120 up
    Note: Street, Drag & Marine Applications should use Taper Bore Pins in High HP Applications
    Details

  • Chevrolet Big Block: 454 Flat Top – Flat Top: 1.614 C/H – 4.280 Bore – 4.000 Stroke – -2CC – #83068

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Recommended for Applications Using Heavy Nitrous (400+HP Shot) / Boost (30+ LBS)
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.280
    Stroke: 4.000
    Rod Length: 6.135
    Compression Height: 1.614
    Compression Ratio (109.00): 8.00
    Compression Ratio (118.00): 7.60
    Compression Ratio (124.00): 7.30
    Dome Volume: -2
    Dome Height: Flat Top
    Gram Weight: 633
    Rings: 5/64 5/64 3/16
    Ring Set: RS-9590-35
    Rings Included: No
    Oil Rail Spacer: Not Included
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Pin Buttons: N/A
    Block Height: 9.790
    Top Land: .400
    Second Land: .200
    Oil Land: .100
    Deck Thickness: .200
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .120 up
    Note: Street, Drag & Marine Applications should use Taper Bore Pins in High HP Applications
    Details

  • Chevrolet Big Block: 454 Flat Top – Flat Top: 1.648 C/H – 4.310 Bore – 4.000 Stroke – -3.00CC – #86066

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 7LBS)
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.310
    Stroke: 4.000
    Rod Length: 6.135
    Compression Height: 1.648
    Compression Ratio (109.00): 8.50
    Compression Ratio (118.00): 8.00
    Compression Ratio (124.00): 7.70
    Dome Volume: -3.00
    Dome Height: Flat Top
    Gram Weight: 611
    Rings: 1/16 1/16 3/16
    Ring Set: CR9190
    Rings Included: No
    Oil Rail Spacer: Not Included
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Pin Buttons: Not Included
    Block Height: 9.800
    Top Land: .330
    Second Land: .157
    Oil Land: .078
    Deck Thickness: .250
    Intake Cutter: 2.400
    Exhaust Cutter: N/A
    Intake Depth: .320
    Exhaust Depth: N/A
    Note: Compression Ratio based on .050 piston to head clearance (deck & gasket combined)
    Details

  • Chevrolet Big Block: 454 Flat Top – Flat Top: 1.648 C/H – 4.500 Bore – 4.000 Stroke – -2CC – #85071

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Recommended for Applications Using Heavy Nitrous (400+HP Shot) / Boost (30+ LBS)
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.500
    Stroke: 4.000
    Rod Length: 6.135
    Compression Height: 1.648
    Compression Ratio (109.00): 9.20
    Compression Ratio (118.00): 8.40
    Compression Ratio (124.00): 8.30
    Dome Volume: -2
    Dome Height: Flat Top
    Gram Weight: 706
    Rings: 1/16 1/16 3/16
    Ring Set: CR9190
    Rings Included: No
    Oil Rail Spacer: Not Included
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Pin Buttons: N/A
    Block Height: 9.790
    Top Land: .380
    Second Land: .189
    Oil Land: .100
    Deck Thickness: .225
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .120 up
    Note: Street, Drag & Marine Applications should use Taper Bore Pins in High HP Applications
    Details

  • Chevrolet Big Block: 454 Flat Top – Flat Top: 1.648 C/H – 4.500 Bore – 4.000 Stroke – -3.00CC – #85066

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 7LBS)
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.500
    Stroke: 4.000
    Rod Length: 6.135
    Compression Height: 1.648
    Compression Ratio (109.00): 9.10
    Compression Ratio (118.00): 8.50
    Compression Ratio (124.00): 8.20
    Dome Volume: -3.00
    Dome Height: Flat Top
    Gram Weight: 643
    Rings: 1/16 1/16 3/16
    Ring Set: CR9190
    Rings Included: No
    Oil Rail Spacer: Not Included
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Pin Buttons: Not Included
    Block Height: 9.800
    Top Land: .330
    Second Land: .157
    Oil Land: .078
    Deck Thickness: .180
    Intake Cutter: 2.400
    Exhaust Cutter: N/A
    Intake Depth: .320
    Exhaust Depth: N/A
    Note: Compression Ratio based on .050 piston to head clearance (deck & gasket combined)
    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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