• Chrysler ‘A’ Block: 340 – Dish Top: 4.070 Bore – 4.000 Stroke – -21.00CC – #99786

    Whats Included: Complete Set Of Pistons, Locks, 5115 Series Straight Wall Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 4.070
    Stroke: 4.000
    Rod Length: 6.123
    Compression Height: 1.459
    Compression Ratio (58): 10.53
    Compression Ratio (60): 10.32
    Compression Ratio (64): 9.93
    Dome Volume: -21.00
    Dome Height: .160
    Gram Weight: 495
    Rings: 1/16 1/16 3/16
    Ring Set: RS-9771-75
    Rings Included: No
    Oil Rail Spacer: NO
    Pins: 5115 Straight Wall
    Pin Diameter: .984
    Pin Length: 2.930
    Pin Wall: .150
    Pin Weight: 143 Grams
    Pin Buttons: NO
    Block Height: 9.599
    Top Land: .300
    Second Land: .157
    Oil Land: .078
    Deck Thickness: .340
    Intake Cutter: 2.200
    Exhaust Cutter: 1.800
    Intake Depth: .300
    Exhaust Depth: .280
    Note: Will work with Mopar open and closed chamber, Edelbrock & Indy Heads
    Details

  • Chrysler ‘A’ Block: 340 – Dome Top: 4.070 Bore – 3.310 Stroke – 12.60CC – #99626

    Whats Included: Complete Set Of Pistons, Locks, 5115 Series Straight Wall Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP 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: 4.070
    Stroke: 3.310
    Rod Length: 6.123
    Compression Height: 1.804
    Compression Ratio (58): 13.70
    Compression Ratio (60): 13.26
    Compression Ratio (64): 12.46
    Dome Volume: 12.60
    Dome Height: .450
    Gram Weight: 550
    Rings: 1/16 1/16 3/16
    Ring Set: RS-9771-75
    Rings Included: No
    Oil Rail Spacer: NO
    Pins: 5115 Straight Wall
    Pin Diameter: .984
    Pin Length: 2.930
    Pin Wall: .150
    Pin Weight: 143 Grams
    Pin Buttons: NO
    Block Height: 9.599
    Top Land: .280
    Second Land: .157
    Oil Land: .078
    Deck Thickness: .180
    Intake Cutter: 2.150
    Exhaust Cutter: 1.700
    Intake Depth: .300
    Exhaust Depth: .250
    Note: Will work with factory open & closed chamber heads ONLY
    Details

  • Chrysler ‘A’ Block: 340 – Dome Top: 4.070 Bore – 4.000 Stroke – 4.20CC – #99788

    Whats Included: Complete Set Of Pistons, Locks, 5115 Series Straight Wall Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP 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: 4.070
    Stroke: 4.000
    Rod Length: 6.123
    Compression Height: 1.459
    Compression Ratio (58): 14.27
    Compression Ratio (60): 13.87
    Compression Ratio (64): 13.14
    Dome Volume: 4.20
    Dome Height: .250
    Gram Weight: 497
    Rings: 1/16 1/16 3/16
    Ring Set: RS-9771-75
    Rings Included: No
    Oil Rail Spacer: NO
    Pins: 5115 Straight Wall
    Pin Diameter: .984
    Pin Length: 2.930
    Pin Wall: .150
    Pin Weight: 143 Grams
    Pin Buttons: NO
    Block Height: 9.599
    Top Land: .300
    Second Land: .157
    Oil Land: .078
    Deck Thickness: .180
    Intake Cutter: 2.200
    Exhaust Cutter: 1.800
    Intake Depth: .310
    Exhaust Depth: .280
    Note: Will work with Mopar open and closed chamber, Edelbrock & Indy Heads
    Details

  • Chrysler ‘A’ Block: 340 – Flat Top: 4.070 Bore – 3.310 Stroke – -5.50CC – #99625

    Whats Included: Complete Set Of Pistons, Locks, 5115 Series Straight Wall Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.070
    Stroke: 3.310
    Rod Length: 6.123
    Compression Height: 1.804
    Compression Ratio (58): 10.55
    Compression Ratio (60): 10.30
    Compression Ratio (64): 9.84
    Dome Volume: -5.50
    Dome Height: Flat Top
    Gram Weight: 514
    Rings: 1/16 1/16 3/16
    Ring Set: RS-9771-75
    Rings Included: No
    Oil Rail Spacer: NO
    Pins: 5115 Straight Wall
    Pin Diameter: .984
    Pin Length: 2.930
    Pin Wall: .150
    Pin Weight: 143 Grams
    Pin Buttons: NO
    Block Height: 9.599
    Top Land: .280
    Second Land: .157
    Oil Land: .078
    Deck Thickness: .180
    Intake Cutter: 2.150
    Exhaust Cutter: 1.700
    Intake Depth: .300
    Exhaust Depth: .250
    Note: Will work with Mopar open and closed chamber, Edelbrock & Indy Heads
    Details

  • Chrysler ‘A’ Block: 360 – Dish Top: 4.030 Bore – 4.000 Stroke – -21.00CC – #99787

    Whats Included: Complete Set Of Pistons, Locks, 5115 Series Straight Wall Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 4.030
    Stroke: 4.000
    Rod Length: 6.123
    Compression Height: 1.459
    Compression Ratio (58): 10.37
    Compression Ratio (60): 10.17
    Compression Ratio (64): 9.78
    Dome Volume: -21.00
    Dome Height: N/A
    Gram Weight: 470
    Rings: 1/16 1/16 3/16
    Ring Set: RS-9771-35
    Rings Included: No
    Oil Rail Spacer: N/A
    Pins: 5115 Straight Wall
    Pin Diameter: .984
    Pin Length: 2.930
    Pin Wall: .150
    Pin Weight: 143 Grams
    Pin Buttons: N/A
    Block Height: 9.599
    Top Land: N/A
    Second Land: N/A
    Oil Land: N/A
    Deck Thickness: N/A
    Intake Cutter: N/A
    Exhaust Cutter: N/A
    Intake Depth: N/A
    Exhaust Depth: N/A
    Note: Will work with Mopar open and closed chamber, Edelbrock & Indy Heads
    Details

  • Chrysler ‘A’ Block: 360 – Dome Top: 4.030 Bore – 3.580 Stroke – 10.50CC – #99628

    Whats Included: Complete Set Of Pistons, Locks, 5115 Series Straight Wall Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP 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: 4.030
    Stroke: 3.580
    Rod Length: 6.123
    Compression Height: 1.669
    Compression Ratio (58): 13.97
    Compression Ratio (60): 13.53
    Compression Ratio (64): 12.75
    Dome Volume: 10.50
    Dome Height: .190
    Gram Weight: 510
    Rings: 1/16 1/16 3/16
    Ring Set: RS-9771-35
    Rings Included: No
    Oil Rail Spacer: NO
    Pins: 5115 Straight Wall
    Pin Diameter: .984
    Pin Length: 2.930
    Pin Wall: .150
    Pin Weight: 143 Grams
    Pin Buttons: NO
    Block Height: 9.599
    Top Land: .280
    Second Land: .157
    Oil Land: .078
    Deck Thickness: .180
    Intake Cutter: 2.150
    Exhaust Cutter: 1.700
    Intake Depth: .300
    Exhaust Depth: .250
    Note: Will work with factory open & closed chamber heads ONLY
    Details

  • Chrysler ‘A’ Block: 360 – Dome Top: 4.030 Bore – 4.000 Stroke – 3.00CC – #99789

    Whats Included: Complete Set Of Pistons, Locks, 5115 Series Straight Wall Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP 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: 4.030
    Stroke: 4.000
    Rod Length: 6.123
    Compression Height: 1.459
    Compression Ratio (58): 13.82
    Compression Ratio (60): 13.44
    Compression Ratio (64): 12.74
    Dome Volume: 3.00
    Dome Height: .150
    Gram Weight: 479
    Rings: 1/16 1/16 3/16
    Ring Set: RS-9771-35
    Rings Included: No
    Oil Rail Spacer: NO
    Pins: 5115 Straight Wall
    Pin Diameter: .984
    Pin Length: 2.930
    Pin Wall: .150
    Pin Weight: 143 Grams
    Pin Buttons: NO
    Block Height: 9.599
    Top Land: .310
    Second Land: .157
    Oil Land: .078
    Deck Thickness: .180
    Intake Cutter: 2.200
    Exhaust Cutter: 1.800
    Intake Depth: .310
    Exhaust Depth: .280
    Note: Will work with Mopar open and closed chamber, Edelbrock & Indy Heads
    Details

  • Chrysler ‘A’ Block: 360 – Flat Top: 4.030 Bore – 3.580 Stroke – -5.50CC – #99627

    Whats Included: Complete Set Of Pistons, Locks, 5115 Series Straight Wall Pins & Oil Rail Spacers (As Required)
    Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.030
    Stroke: 3.580
    Rod Length: 6.123
    Compression Height: 1.669
    Compression Ratio (58): 11.15
    Compression Ratio (60): 10.89
    Compression Ratio (64): 10.39
    Dome Volume: -5.50
    Dome Height: Flat Top
    Gram Weight: 484
    Rings: 1/16 1/16 3/16
    Ring Set: RS-9771-35
    Rings Included: No
    Oil Rail Spacer: NO
    Pins: 5115 Straight Wall
    Pin Diameter: .984
    Pin Length: 2.930
    Pin Wall: .150
    Pin Weight: 143 Grams
    Pin Buttons: NO
    Block Height: 9.599
    Top Land: .280
    Second Land: .157
    Oil Land: .078
    Deck Thickness: .180
    Intake Cutter: 2.150
    Exhaust Cutter: 1.700
    Intake Depth: .300
    Exhaust Depth: .250
    Note: Will work with Mopar open and closed chamber, Edelbrock & Indy Heads
    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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