• Chevrolet: 400 Small Block 23 Degree (SP Forging) – Flat Top: 1.100 C/H – 4.135 Bore – 3.800 Stroke – -4.40CC – #89202

    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: 3.800
    Rod Length: 6.000
    Compression Height: 1.100
    Compression Ratio (58): 12.52
    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: RGN4137
    Rings Included: NO
    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: 1.100 C/H – 4.145 Bore – 3.800 Stroke – -4.40CC – #89203

    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: 3.800
    Rod Length: 6.000
    Compression Height: 1.100
    Compression Ratio (58): 12.57
    Compression Ratio (64): 11.69
    Compression Ratio (76): 10.27
    Dome Volume: -4.40
    Gram Weight: N/A
    Rings: 1.2 1.2 3.0
    Ring Set: RGN4147
    Rings Included: NO
    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: 1.100 C/H – 4.155 Bore – 3.800 Stroke – -4.40CC – #89204

    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: 3.800
    Rod Length: 6.000
    Compression Height: 1.100
    Compression Ratio (58): 12.61
    Compression Ratio (64): 11.73
    Compression Ratio (76): 10.31
    Dome Volume: -4.40
    Gram Weight: N/A
    Rings: 1.2 1.2 3.0
    Ring Set: RGN4158
    Rings Included: NO
    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: 1.100 C/H – 4.165 Bore – 3.800 Stroke – -4.40CC – #89205

    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: 3.800
    Rod Length: 6.000
    Compression Height: 1.100
    Compression Ratio (58): 12.66
    Compression Ratio (64): 11.77
    Compression Ratio (76): 10.35
    Dome Volume: -4.40
    Gram Weight: N/A
    Rings: 1.2 1.2 3.0
    Ring Set: RGN4168
    Rings Included: NO
    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: 1.125 C/H – 4.125 Bore – 3.500 Stroke – -4.40CC – #89230

    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: 3.500
    Rod Length: 6.125
    Compression Height: 1.125
    Compression Ratio (58): 11.57
    Compression Ratio (64): 10.76
    Compression Ratio (76): 9.47
    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: 1.125 C/H – 4.125 Bore – 3.750 Stroke – -4.40CC – #89230

    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: 3.750
    Rod Length: 6.000
    Compression Height: 1.125
    Compression Ratio (58): 12.32
    Compression Ratio (64): 11.46
    Compression Ratio (76): 10.07
    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: 1.125 C/H – 4.130 Bore – 3.500 Stroke – -4.40CC – #89231

    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: 3.500
    Rod Length: 6.000
    Compression Height: 1.125
    Compression Ratio (58): 11.57
    Compression Ratio (64): 10.76
    Compression Ratio (76): 9.47
    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: 1.125 C/H – 4.130 Bore – 3.750 Stroke – -4.40CC – #89231

    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: 3.750
    Rod Length: 6.000
    Compression Height: 1.125
    Compression Ratio (58): 12.32
    Compression Ratio (64): 11.46
    Compression Ratio (76): 10.07
    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: 1.125 C/H – 4.135 Bore – 3.500 Stroke – -4.40CC – #89232

    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: 3.500
    Rod Length: 6.125
    Compression Height: 1.125
    Compression Ratio (58): 11.61
    Compression Ratio (64): 10.80
    Compression Ratio (76): 9.50
    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: 1.125 C/H – 4.135 Bore – 3.750 Stroke – -4.40CC – #89232

    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: 3.750
    Rod Length: 6.000
    Compression Height: 1.125
    Compression Ratio (58): 12.37
    Compression Ratio (64): 11.50
    Compression Ratio (76): 10.11
    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: 1.125 C/H – 4.145 Bore – 3.500 Stroke – -4.40CC – #89233

    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: 3.500
    Rod Length: 6.125
    Compression Height: 1.125
    Compression Ratio (58): 11.66
    Compression Ratio (64): 10.84
    Compression Ratio (76): 9.54
    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: 1.125 C/H – 4.145 Bore – 3.750 Stroke – -4.40CC – #89233

    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: 3.750
    Rod Length: 6.000
    Compression Height: 1.125
    Compression Ratio (58): 12.42
    Compression Ratio (64): 11.55
    Compression Ratio (76): 10.11
    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: 1.125 C/H – 4.155 Bore – 3.500 Stroke – -4.40CC – #89234

    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: 3.500
    Rod Length: 6.125
    Compression Height: 1.125
    Compression Ratio (58): 11.70
    Compression Ratio (64): 10.89
    Compression Ratio (76): 9.58
    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: 1.125 C/H – 4.155 Bore – 3.750 Stroke – -4.40CC – #89234

    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: 3.750
    Rod Length: 6.000
    Compression Height: 1.125
    Compression Ratio (58): 12.47
    Compression Ratio (64): 11.59
    Compression Ratio (76): 10.19
    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: 1.125 C/H – 4.165 Bore – 3.500 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: 3.500
    Rod Length: 6.125
    Compression Height: 1.125
    Compression Ratio (58): 11.75
    Compression Ratio (64): 10.93
    Compression Ratio (76): 9.61
    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: 1.125 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: NO
    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: NO
    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: NO
    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: NO
    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

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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