• Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.210 C/H – 4.610 Bore – 4.375 Stroke – 50.00CC – #91130

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove Application: Not Recommended For Nitrous or Boosted Applications [Please Note]: Image is a representation of this item. Actual item may vary.Piston Top Type: Dome Top Bore: 4.610 Stroke: 4.375 Rod Length: 6.385 Compression Height: 1.210 Compression Ratio (109.00): 16.22 Compression Ratio (118.00): 15.84 Compression Ratio (124.00): 15.48 Dome Volume: 50.00 Dome Height: .600 Gram Weight: N/A Rings: .043 .043 3.0 Rings Included: No Oil Rail Spacer: ORS-456 Pin Type: 5115 Straight Wall Pin Diameter: .990 Pin Length: 2.750 Pin Wall: .150 Pin Weight: 135 Grams Pin Buttons: Not Included Block Height: 9.800 Top Land: .300 Second Land: .145 Oil Land: .080 Deck Thickness: .170 Intake Cutter: 2.400 Exhaust Cutter: Slant Intake Depth: .320 Exhaust Depth: .080 up Note: Coating Options Available
    Details

  • Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.210 C/H – 4.625 Bore – 4.375 Stroke – 50.00CC – #91131

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove
    Application: Not Recommended For Nitrous or Boosted Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.625
    Stroke: 4.375
    Rod Length: 6.385
    Compression Height: 1.210
    Compression Ratio (109.00): 16.30
    Compression Ratio (118.00): 15.92
    Compression Ratio (124.00): 15.56
    Dome Volume: 50.00
    Dome Height: .600
    Gram Weight: N/A
    Rings: .043 .043 3.0
    Ring Set: CRL6010
    Rings Included: No
    Oil Rail Spacer: ORS-463
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.750
    Pin Wall: .150
    Pin Weight: 135 Grams
    Pin Buttons: Not Included
    Block Height: 9.800
    Top Land: .300
    Second Land: .135
    Oil Land: .080
    Deck Thickness: .170
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .080 up
    Note: Coating Options Available
    Details

  • Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.245 C/H – 4.560 Bore – 4.000 Stroke – 50.00CC – #91100

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove
    Application: Not Recommended For Nitrous or Boosted Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.560
    Stroke: 4.000
    Rod Length: 6.535
    Compression Height: 1.245
    Compression Ratio (109.00): 14.65
    Compression Ratio (118.00): 14.31
    Compression Ratio (124.00): 13.99
    Dome Volume: 50.00
    Dome Height: .600
    Gram Weight: N/A
    Rings: .043 .043 3.0
    Ring Set: CRG4327
    Rings Included: No
    Oil Rail Spacer: ORS-450
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.750
    Pin Wall: .150
    Pin Weight: 135 Grams
    Pin Buttons: Not Included
    Block Height: 9.800
    Top Land: .300
    Second Land: .145
    Oil Land: .078
    Deck Thickness: .170
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .080 up
    Note: Coating Options Available
    Details

  • Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.245 C/H – 4.600 Bore – 4.000 Stroke – 50.00CC – #91101

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove
    Application: Not Recommended For Nitrous or Boosted Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.600
    Stroke: 4.000
    Rod Length: 6.535
    Compression Height: 1.245
    Compression Ratio (109.00): 14.86
    Compression Ratio (118.00): 14.52
    Compression Ratio (124.00): 14.19
    Dome Volume: 50.00
    Dome Height: .600
    Gram Weight: N/A
    Rings: .043 .043 3.0
    Ring Set: -
    Rings Included: No
    Oil Rail Spacer: ORS-456
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.750
    Pin Wall: .150
    Pin Weight: 135 Grams
    Pin Buttons: Not Included
    Block Height: 9.800
    Top Land: .300
    Second Land: .145
    Oil Land: .078
    Deck Thickness: .170
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .080 up
    Note: Coating Options Available
    Details

  • Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.245 C/H – 4.605 Bore – 4.000 Stroke – 50.00CC – #91102

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove Application: Not Recommended For Nitrous or Boosted Applications [Please Note]: Image is a representation of this item. Actual item may vary.Piston Top Type: Dome Top Bore: 4.605 Stroke: 4.000 Rod Length: 6.535 Compression Height: 1.245 Compression Ratio (109.00): 14.89 Compression Ratio (118.00): 14.54 Compression Ratio (124.00): 14.21 Dome Volume: 50.00 Dome Height: .600 Gram Weight: N/A Rings: .043 .043 3.0 Rings Included: No Oil Rail Spacer: ORS-456 Pin Type: 5115 Straight Wall Pin Diameter: .990 Pin Length: 2.750 Pin Wall: .150 Pin Weight: 135 Grams Pin Buttons: Not Included Block Height: 9.800 Top Land: .300 Second Land: .145 Oil Land: .080 Deck Thickness: .170 Intake Cutter: 2.400 Exhaust Cutter: Slant Intake Depth: .320 Exhaust Depth: .080 up Note: Coating Options Available
    Details

  • Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.245 C/H – 4.610 Bore – 4.000 Stroke – 50.00CC – #91103

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove Application: Not Recommended For Nitrous or Boosted Applications [Please Note]: Image is a representation of this item. Actual item may vary.Piston Top Type: Dome Top Bore: 4.610 Stroke: 4.000 Rod Length: 6.535 Compression Height: 1.245 Compression Ratio (109.00): 14.92 Compression Ratio (118.00): 14.57 Compression Ratio (124.00): 14.25 Dome Volume: 50.00 Dome Height: .600 Gram Weight: N/A Rings: .043 .043 3.0 Rings Included: No Oil Rail Spacer: ORS-456 Pin Type: 5115 Straight Wall Pin Diameter: .990 Pin Length: 2.750 Pin Wall: .150 Pin Weight: 135 Grams Pin Buttons: Not Included Block Height: 9.800 Top Land: .300 Second Land: .145 Oil Land: .078 Deck Thickness: .170 Intake Cutter: 2.400 Exhaust Cutter: Slant Intake Depth: .320 Exhaust Depth: .080 up Note: Coating Options Available
    Details

  • Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.245 C/H – 4.625 Bore – 4.000 Stroke – 50.00CC – #91104

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove
    Application: Not Recommended For Nitrous or Boosted Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.625
    Stroke: 4.000
    Rod Length: 6.535
    Compression Height: 1.245
    Compression Ratio (109.00): 14.99
    Compression Ratio (118.00): 14.64
    Compression Ratio (124.00): 14.31
    Dome Volume: 50.00
    Dome Height: .600
    Gram Weight: N/A
    Rings: .043 .043 3.0
    Ring Set: CRL6010
    Rings Included: No
    Oil Rail Spacer: ORS-463
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.750
    Pin Wall: .150
    Pin Weight: 135 Grams
    Pin Buttons: Not Included
    Block Height: 9.800
    Top Land: .300
    Second Land: .145
    Oil Land: .078
    Deck Thickness: .170
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .080 up
    Note: Coating Options Available
    Details

  • Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.270 C/H – 4.560 Bore – 4.250 Stroke – 50.00CC – #91109

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove
    Application: Not Recommended For Nitrous or Boosted Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dome Top
    Bore: 4.560
    Stroke: 4.250
    Rod Length: 6.385
    Compression Height: 1.270
    Compression Ratio (109.00): 15.51
    Compression Ratio (118.00): 15.15
    Compression Ratio (124.00): 14.80
    Dome Volume: 50.00
    Dome Height: .600
    Gram Weight: N/A
    Rings: .043 .043 3.0
    Ring Set: CRG4327
    Rings Included: No
    Oil Rail Spacer: ORS-450
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.750
    Pin Wall: .150
    Pin Weight: 135 Grams
    Pin Buttons: Not Included
    Block Height: 9.800
    Top Land: .300
    Second Land: .155
    Oil Land: .080
    Deck Thickness: .170
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .080 up
    Note: Coating Options Available
    Details

  • Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.270 C/H – 4.600 Bore – 4.250 Stroke – 50.00CC – #91110

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove Application: Not Recommended For Nitrous or Boosted 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 (109.00): 15.73 Compression Ratio (118.00): 15.36 Compression Ratio (124.00): 15.01 Dome Volume: 50.00 Dome Height: .600 Gram Weight: N/A Rings: .043 .043 3.0 Rings Included: No Oil Rail Spacer: ORS-456 Pin Type: 5115 Straight Wall Pin Diameter: .990 Pin Length: 2.750 Pin Wall: .150 Pin Weight: 135 Grams Pin Buttons: Not Included Block Height: 9.800 Top Land: .300 Second Land: .155 Oil Land: .080 Deck Thickness: .170 Intake Cutter: 2.400 Exhaust Cutter: Slant Intake Depth: .320 Exhaust Depth: .080 up Note: Coating Options Available
    Details

  • Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.270 C/H – 4.605 Bore – 4.250 Stroke – 50.00CC – #91111

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove Application: Not Recommended For Nitrous or Boosted Applications [Please Note]: Image is a representation of this item. Actual item may vary.Piston Top Type: Dome Top Bore: 4.605 Stroke: 4.250 Rod Length: 6.385 Compression Height: 1.270 Compression Ratio (109.00): 15.75 Compression Ratio (118.00): 13.39 Compression Ratio (124.00): 15.04 Dome Volume: 50.00 Dome Height: .600 Gram Weight: N/A Rings: .043 .043 3.0 Rings Included: No Oil Rail Spacer: ORS-456 Pin Type: 5115 Straight Wall Pin Diameter: .990 Pin Length: 2.750 Pin Wall: .150 Pin Weight: 135 Grams Pin Buttons: Not Included Block Height: 9.800 Top Land: .300 Second Land: .155 Oil Land: .050 Deck Thickness: .170 Intake Cutter: 2.400 Exhaust Cutter: Slant Intake Depth: .320 Exhaust Depth: .080 up Note: Coating Options Available
    Details

  • Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.270 C/H – 4.610 Bore – 4.250 Stroke – 50.00CC – #91112

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove Application: Not Recommended For Nitrous or Boosted Applications [Please Note]: Image is a representation of this item. Actual item may vary.Piston Top Type: Dome Top Bore: 4.610 Stroke: 4.250 Rod Length: 6.385 Compression Height: 1.270 Compression Ratio (109.00): 15.79 Compression Ratio (118.00): 15.42 Compression Ratio (124.00): 15.07 Dome Volume: 50.00 Dome Height: .600 Gram Weight: N/A Rings: .043 .043 3.0 Rings Included: No Oil Rail Spacer: ORS-456 Pin Type: 5115 Straight Wall Pin Diameter: .990 Pin Length: 2.750 Pin Wall: .150 Pin Weight: 135 Grams Pin Buttons: Not Included Block Height: 9.800 Top Land: .300 Second Land: .155 Oil Land: .080 Deck Thickness: .170 Intake Cutter: 2.400 Exhaust Cutter: Slant Intake Depth: .320 Exhaust Depth: .080 up Note: Coating Options Available
    Details

  • Chevrolet Big Block: 24′ High Compression Pro Series – Dome Top: 1.270 C/H – 4.625 Bore – 4.250 Stroke – 50.00CC – #91113

    Whats Included: Complete Set Of Pistons, Lock Removal Indents, Oil Support Rails, Vertical Gas Porting & 2ND Land Accumulator Groove
    Application: Not Recommended For Nitrous or Boosted 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 (109.00): 15.86
    Compression Ratio (118.00): 15.49
    Compression Ratio (124.00): 15.14
    Dome Volume: 50.00
    Dome Height: .600
    Gram Weight: N/A
    Rings: .043 .043 3.0
    Ring Set: CRL6010
    Rings Included: No
    Oil Rail Spacer: ORS-463
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.750
    Pin Wall: .150
    Pin Weight: 135 Grams
    Pin Buttons: Not Included
    Block Height: 9.800
    Top Land: .300
    Second Land: .155
    Oil Land: .080
    Deck Thickness: .170
    Intake Cutter: 2.400
    Exhaust Cutter: Slant
    Intake Depth: .320
    Exhaust Depth: .080 up
    Note: Coating Options Available
    Details

  • Chevrolet Big Block: 409 (10.5 Compression) – Dome Top: 1.450 C/H – 4.342 Bore – 4.000 Stroke – N/ACC – #83562

    Whats Included: Complete Set Of Pistons, Locks & 5115 Series Straight Wall Pins
    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: 4.342
    Stroke: 4.000
    Rod Length: 6.135
    Compression Height: 1.450
    Dome Height: .365
    Gram Weight: 767
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CR6490 30
    Rings Included: No
    Oil Rail Spacer:
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Block Height: 9.600
    Top Land: .250
    Second Land: .150
    Oil Land: .080
    Intake Cutter: 2.300
    Exhaust Cutter: 1.900
    Intake Depth: .125
    Exhaust Depth: .125
    Note: Piston Rings Sold Separately
    Details

  • Chevrolet Big Block: 409 (10.5 Compression) – Dome Top: 1.450 C/H – 4.342 Bore – 4.000 Stroke – N/ACC – #83572

    Whats Included: Complete Set Of Pistons, Locks & 5115 Series Straight Wall Pins
    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: 4.342
    Stroke: 4.000
    Rod Length: 6.135
    Compression Height: 1.450
    Dome Height: .494
    Gram Weight: 733
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CR6490 30
    Rings Included: No
    Oil Rail Spacer:
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Block Height: 9.600
    Top Land: .250
    Second Land: .150
    Oil Land: .080
    Intake Cutter: 2.350
    Exhaust Cutter: 1.900
    Intake Depth: .150
    Exhaust Depth: .140
    Note: (1) For Use With Edelbrock Heads (2) Piston Rings Sold Separately
    Details

  • Chevrolet Big Block: 409 (10.5 Compression) – Dome Top: 1.450 C/H – 4.372 Bore – 4.000 Stroke – N/ACC – #83563

    Whats Included: Complete Set Of Pistons, Locks & 5115 Series Straight Wall Pins
    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: 4.372
    Stroke: 4.000
    Rod Length: 6.135
    Compression Height: 1.450
    Dome Height: .360
    Gram Weight: 781
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CR9190 125
    Rings Included: No
    Oil Rail Spacer:
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Block Height: 9.600
    Top Land: .250
    Second Land: .150
    Oil Land: .080
    Intake Cutter: 2.300
    Exhaust Cutter: 1.900
    Intake Depth: .125
    Exhaust Depth: .125
    Note: Piston Rings Sold Separately
    Details

  • Chevrolet Big Block: 409 (10.5 Compression) – Dome Top: 1.450 C/H – 4.372 Bore – 4.000 Stroke – N/ACC – #83571

    Whats Included: Complete Set Of Pistons, Locks & 5115 Series Straight Wall Pins
    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: 4.372
    Stroke: 4.000
    Rod Length: 6.135
    Compression Height: 1.450
    Dome Height: .480
    Gram Weight: 791
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CR9190 125
    Rings Included: No
    Oil Rail Spacer:
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Block Height: 9.600
    Top Land: .250
    Second Land: .150
    Oil Land: .080
    Intake Cutter: 2.350
    Exhaust Cutter: 1.900
    Intake Depth: .150
    Exhaust Depth: .140
    Note: (1) For Use With Edelbrock Heads (2) Piston Rings Sold Separately
    Details

  • Chevrolet Big Block: 409 (10.5 Compression) – Dome Top: 1.823 C/H – 4.342 Bore – 3.500 Stroke – N/ACC – #83561

    Whats Included: Complete Set Of Pistons, Locks & 5115 Series Straight Wall Pins
    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: 4.342
    Stroke: 3.500
    Rod Length: 6.010
    Compression Height: 1.823
    Dome Height: .450
    Gram Weight: 817
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CR6490 30
    Rings Included: No
    Oil Rail Spacer:
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Block Height: 9.600
    Top Land: .250
    Second Land: .150
    Oil Land: .080
    Intake Cutter: 2.300
    Exhaust Cutter: 1.900
    Intake Depth: .125
    Exhaust Depth: .125
    Note: Piston Rings Sold Separately
    Details

  • Chevrolet Big Block: 409 (10.5 Compression) – Dome Top: 1.823 C/H – 4.342 Bore – 3.500 Stroke – N/ACC – #83570

    Whats Included: Complete Set Of Pistons, Locks & 5115 Series Straight Wall Pins
    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: 4.342
    Stroke: 3.500
    Rod Length: 6.010
    Compression Height: 1.823
    Dome Height: .607
    Gram Weight: 821
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CR6490 30
    Rings Included: No
    Oil Rail Spacer:
    Pin Type: 5115 Straight Wall
    Pin Diameter: .990
    Pin Length: 2.930
    Pin Wall: 150
    Pin Weight: 146 Grams
    Block Height: 9.600
    Top Land: .250
    Second Land: .150
    Oil Land: .080
    Intake Cutter: 2.350
    Exhaust Cutter: 1.900
    Intake Depth: .150
    Exhaust Depth: .140
    Note: (1) For Use With Edelbrock Heads (2) Piston Rings Sold Separately
    Details

  • 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

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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