• Chevrolet: 400 Small Block 23 Degree (SP Forging) – Flat Top: 1.125 C/H – 4.165 Bore – 3.750 Stroke – -4.40CC – #89235

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Not Recommended For Nitrous or Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.165
    Stroke: 3.750
    Rod Length: 6.000
    Compression Height: 1.125
    Compression Ratio (58): 12.51
    Compression Ratio (64): 11.64
    Compression Ratio (76): 10.23
    Dome Volume: -4.40
    Gram Weight: N/A
    Rings: 1.2 1.2 3.0
    Ring Set: RGN4168
    Rings Included: Yes
    Oil Rail Spacer: N/A
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.300
    Pin Wall: .150
    Pin Weight: 107 Grams
    Block Height: 9.000
    Note: (1) Forged from High Strength 2618-T61 Aluminum. (2) Dedicated left and right forged side relief forgings with internal and external bracing (3) Optional Pin Upgrade Available (4) Optional Lateral or Vertical Gas Porting Available
    Details

  • Chevrolet: 400 Small Block 23 Degree (SP Forging) – Flat Top: 1.185 C/H – 4.125 Bore – 3.625 Stroke – -4.40CC – #89300

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Not Recommended For Nitrous or Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.125
    Stroke: 3.625
    Rod Length: 6.000
    Compression Height: 1.185
    Compression Ratio (58): 11.97
    Compression Ratio (64): 11.10
    Compression Ratio (76): 9.77
    Dome Volume: -4.40
    Gram Weight: N/A
    Rings: 1.2 1.2 3.0
    Ring Set: RGN4127
    Rings Included: Yes
    Oil Rail Spacer: N/A
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.300
    Pin Wall: .150
    Pin Weight: 107 Grams
    Block Height: 9.000
    Note: (1) Forged from High Strength 2618-T61 Aluminum. (2) Dedicated left and right forged side relief forgings with internal and external bracing (3) Optional Pin Upgrade Available (4) Optional Lateral or Vertical Gas Porting Available
    Details

  • Chevrolet: 400 Small Block 23 Degree (SP Forging) – Flat Top: 1.185 C/H – 4.130 Bore – 3.625 Stroke – -4.40CC – #89301

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Not Recommended For Nitrous or Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.130
    Stroke: 3.625
    Rod Length: 6.000
    Compression Height: 1.185
    Compression Ratio (58): 11.97
    Compression Ratio (64): 11.10
    Compression Ratio (76): 9.77
    Dome Volume: -4.40
    Gram Weight: N/A
    Rings: 1.2 1.2 3.0
    Ring Set: RGN4132
    Rings Included: Yes
    Oil Rail Spacer: N/A
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.300
    Pin Wall: .150
    Pin Weight: 107 Grams
    Block Height: 9.000
    Note: (1) Forged from High Strength 2618-T61 Aluminum. (2) Dedicated left and right forged side relief forgings with internal and external bracing (3) Optional Pin Upgrade Available (4) Optional Lateral or Vertical Gas Porting Available
    Details

  • Chevrolet: 400 Small Block 23 Degree (SP Forging) – Flat Top: 1.185 C/H – 4.135 Bore – 3.625 Stroke – -4.40CC – #89302

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Not Recommended For Nitrous or Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.135
    Stroke: 3.625
    Rod Length: 6.000
    Compression Height: 1.185
    Compression Ratio (58): 11.98
    Compression Ratio (64): 11.15
    Compression Ratio (76): 9.80
    Dome Volume: -4.40
    Gram Weight: N/A
    Rings: 1.2 1.2 3.0
    Ring Set: RGN4137
    Rings Included: Yes
    Oil Rail Spacer: N/A
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.300
    Pin Wall: .150
    Pin Weight: 107 Grams
    Block Height: 9.000
    Note: (1) Forged from High Strength 2618-T61 Aluminum. (2) Dedicated left and right forged side relief forgings with internal and external bracing (3) Optional Pin Upgrade Available (4) Optional Lateral or Vertical Gas Porting Available
    Details

  • Chevrolet: 400 Small Block 23 Degree (SP Forging) – Flat Top: 1.185 C/H – 4.145 Bore – 3.625 Stroke – -4.40CC – #89303

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Not Recommended For Nitrous or Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.145
    Stroke: 3.625
    Rod Length: 6.000
    Compression Height: 1.185
    Compression Ratio (58): 12.03
    Compression Ratio (64): 11.19
    Compression Ratio (76): 9.84
    Dome Volume: -4.40
    Gram Weight: N/A
    Rings: 1.2 1.2 3.0
    Ring Set: RGN4147
    Rings Included: Yes
    Oil Rail Spacer: N/A
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.300
    Pin Wall: .150
    Pin Weight: 107 Grams
    Block Height: 9.000
    Note: (1) Forged from High Strength 2618-T61 Aluminum. (2) Dedicated left and right forged side relief forgings with internal and external bracing (3) Optional Pin Upgrade Available (4) Optional Lateral or Vertical Gas Porting Available
    Details

  • Chevrolet: 400 Small Block 23 Degree (SP Forging) – Flat Top: 1.185 C/H – 4.155 Bore – 3.625 Stroke – -4.40CC – #89304

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Not Recommended For Nitrous or Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.155
    Stroke: 3.625
    Rod Length: 6.000
    Compression Height: 1.185
    Compression Ratio (58): 12.18
    Compression Ratio (64): 11.32
    Compression Ratio (76): 9.91
    Dome Volume: -4.40
    Gram Weight: N/A
    Rings: 1.2 1.2 3.0
    Ring Set: RGN4158
    Rings Included: Yes
    Oil Rail Spacer: N/A
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.300
    Pin Wall: .150
    Pin Weight: 107 Grams
    Block Height: 9.000
    Note: (1) Forged from High Strength 2618-T61 Aluminum. (2) Dedicated left and right forged side relief forgings with internal and external bracing (3) Optional Pin Upgrade Available (4) Optional Lateral or Vertical Gas Porting Available
    Details

  • Chevrolet: 400 Small Block 23 Degree (SP Forging) – Flat Top: 1.185 C/H – 4.165 Bore – 3.625 Stroke – -4.40CC – #89305

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Not Recommended For Nitrous or Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.165
    Stroke: 3.625
    Rod Length: 6.000
    Compression Height: 1.185
    Compression Ratio (58): 12.22
    Compression Ratio (64): 11.36
    Compression Ratio (76): 9.98
    Dome Volume: -4.40
    Gram Weight: N/A
    Rings: 1.2 1.2 3.0
    Ring Set: RGN4168
    Rings Included: Yes
    Oil Rail Spacer: N/A
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Length: 2.300
    Pin Wall: .150
    Pin Weight: 107 Grams
    Block Height: 9.000
    Note: (1) Forged from High Strength 2618-T61 Aluminum. (2) Dedicated left and right forged side relief forgings with internal and external bracing (3) Optional Pin Upgrade Available (4) Optional Lateral or Vertical Gas Porting Available
    Details

  • Ford Cleveland: 351 – 4V Dome Top: 1.446 C/H – 4.030 Bore – 14.00CC – #80562

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Not Recommended for use in Nitrous or Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: 4V Dome Top
    Bore: 4.030
    Stroke: 3.500
    Rod Length: 6.000
    Compression Height: 1.446
    Compression Ratio (64): 12.95
    Compression Ratio (68): 12.22
    Compression Ratio (76): 10.99
    Dome Volume: 14.00
    Dome Height: .450
    Gram Weight: 523
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CR3690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Wall: .150
    Block Height: 9.213
    NOTE: Piston Rings Sold Separately
    Details

  • Ford Cleveland: 351 – 4V Dome Top: 1.668 C/H – 4.030 Bore – 14.00CC – #80552

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Not Recommended for use in Nitrous or Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: 4V Dome Top
    Bore: 4.030
    Stroke: 3.500
    Rod Length: 5.778
    Compression Height: 1.668
    Compression Ratio (64): 12.95
    Compression Ratio (68): 12.22
    Compression Ratio (76): 10.99
    Dome Volume: 14.00
    Dome Height: .450
    Gram Weight: 571
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CR3690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .912
    Pin Wall: .150
    Block Height: 9.213
    NOTE: Piston Rings Sold Separately
    Details

  • Ford Cleveland: 351 – Flat Top: 1.446 C/H – 4.030 Bore – -3.00CC – #80566

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Not Recommended for use in Nitrous or Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.030
    Stroke: 3.500
    Rod Length: 6.000
    Compression Height: 1.446
    Compression Ratio (64): 10.36
    Compression Ratio (68): 9.90
    Compression Ratio (76): 9.11
    Dome Volume: -3.00
    Dome Height: 0.00
    Gram Weight: 497
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CR3690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Wall: .150
    Block Height: 9.213
    NOTE: Piston Rings Sold Separately
    Details

  • Ford Cleveland: 351 – Flat Top: 1.668 C/H – 4.030 Bore – -3.00CC – #80556

    Whats Included: Complete Set Of Pistons, Locks, & Pins
    Application: Not Recommended for use in Nitrous or Turbo Applications
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Flat Top
    Bore: 4.030
    Stroke: 3.500
    Rod Length: 5.778
    Compression Height: 1.668
    Compression Ratio (64): 10.36
    Compression Ratio (68): 9.90
    Compression Ratio (76): 9.11
    Dome Volume: -3.00
    Dome Height: 0.00
    Gram Weight: 537
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CR3690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .912
    Pin Wall: .150
    Block Height: 9.213
    NOTE: Piston Rings Sold Separately
    Details

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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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