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Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.568 C/H – 4.155 Bore – -4CC – #95455

2024-11-02T09:42:45+00:00

Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.155
Stroke: 3.48
Rod Length: 5.7
Compression Height: 1.568
Compression Ratio (57):
Dome Volume: -4
Gram Weight: 530
Rings: 1/16 1/16 3/16
Ring Set: N/A
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.5
Pin Wall: 0.15
Pin Weight: 118 Grams
Block Height: 9.025
Optional Upgrade: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.568 C/H – 4.155 Bore – -4CC – #954552024-11-02T09:42:45+00:00

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.268 C/H – 4.155 Bore – -4CC – #95465

2024-11-02T09:44:09+00:00

Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.155
Stroke: 3.48
Rod Length: 6
Compression Height: 1.268
Compression Ratio (57):
Dome Volume: -4
Gram Weight: 492
Rings: 1/16 1/16 3/16
Ring Set: N/A
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.5
Pin Wall: 0.15
Pin Weight: 118 Grams
Block Height: 9.025
Optional Upgrade: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.268 C/H – 4.155 Bore – -4CC – #954652024-11-02T09:44:09+00:00

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.42 C/H – 4.155 Bore – -4CC – #90008

2024-11-02T09:43:55+00:00

Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.155
Stroke: 3.75
Rod Length: 5.7
Compression Height: 1.42
Compression Ratio (57):
Dome Volume: -4
Gram Weight: 455
Rings: 1/16 1/16 3/16
Ring Set: N/A
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.5
Pin Wall: 0.15
Pin Weight: 118 Grams
Block Height: 9.025
Optional Upgrade: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.42 C/H – 4.155 Bore – -4CC – #900082024-11-02T09:43:55+00:00

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.433 C/H – 4.165 Bore – -4CC – #96755

2024-11-02T09:43:41+00:00

Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.165
Stroke: 3.75
Rod Length: 5.7
Compression Height: 1.433
Compression Ratio (57):
Dome Volume: -4
Gram Weight: 518
Rings: 1/16 1/16 3/16
Ring Set: N/A
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.5
Pin Wall: 0.15
Pin Weight: 118 Grams
Block Height: 9.025
Optional Upgrade: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.433 C/H – 4.165 Bore – -4CC – #967552024-11-02T09:43:41+00:00

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.433 C/H – 4.155 Bore – -4CC – #95755

2024-11-02T09:43:27+00:00

Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.155
Stroke: 3.75
Rod Length: 5.7
Compression Height: 1.433
Compression Ratio (57):
Dome Volume: -4
Gram Weight: 516
Rings: 1/16 1/16 3/16
Ring Set: N/A
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.5
Pin Wall: 0.15
Pin Weight: 118 Grams
Block Height: 9.025
Optional Upgrade: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.433 C/H – 4.155 Bore – -4CC – #957552024-11-02T09:43:27+00:00

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.433 C/H – 4.125 Bore – -4CC – #97755

2024-11-02T09:43:13+00:00

Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.125
Stroke: 3.75
Rod Length: 5.7
Compression Height: 1.433
Compression Ratio (57):
Dome Volume: -4
Gram Weight: 496
Rings: 1/16 1/16 3/16
Ring Set: N/A
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.5
Pin Wall: 0.15
Pin Weight: 118 Grams
Block Height: 9.025
Optional Upgrade: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.433 C/H – 4.125 Bore – -4CC – #977552024-11-02T09:43:13+00:00

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.568 C/H – 4.155 Bore – -4CC – #95455

2024-11-02T09:42:59+00:00

Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.155
Stroke: 3.75
Rod Length: 5.565
Compression Height: 1.568
Compression Ratio (57):
Dome Volume: -4
Gram Weight: 530
Rings: 1/16 1/16 3/16
Ring Set: N/A
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.5
Pin Wall: 0.15
Pin Weight: 118 Grams
Block Height: 9.025
Optional Upgrade: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.568 C/H – 4.155 Bore – -4CC – #954552024-11-02T09:42:59+00:00

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.42 C/H – 4.155 Bore – -4CC – #90008

2024-11-01T13:07:50+00:00

Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.155
Stroke: 3.75
Rod Length: 5.7
Compression Height: 1.42
Compression Ratio (57):
Dome Volume: -4
Gram Weight: 455
Rings: 1/16 1/16 3/16
Ring Set: N/A
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.5
Pin Wall: 0.15
Pin Weight: 118 Grams
Block Height: 9.025
Optional Upgrade: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.42 C/H – 4.155 Bore – -4CC – #900082024-11-01T13:07:50+00:00

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.433 C/H – 4.165 Bore – -4CC – #96755

2024-11-01T13:07:35+00:00

Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.165
Stroke: 3.75
Rod Length: 5.7
Compression Height: 1.433
Compression Ratio (57):
Dome Volume: -4
Gram Weight: 518
Rings: 1/16 1/16 3/16
Ring Set: N/A
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.5
Pin Wall: 0.15
Pin Weight: 118 Grams
Block Height: 9.025
Optional Upgrade: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.433 C/H – 4.165 Bore – -4CC – #967552024-11-01T13:07:35+00:00

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.433 C/H – 4.155 Bore – -4CC – #95755

2024-11-01T13:07:19+00:00

Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.155
Stroke: 3.75
Rod Length: 5.7
Compression Height: 1.433
Compression Ratio (57):
Dome Volume: -4
Gram Weight: 516
Rings: 1/16 1/16 3/16
Ring Set: N/A
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.5
Pin Wall: 0.15
Pin Weight: 118 Grams
Block Height: 9.025
Optional Upgrade: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).

Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.433 C/H – 4.155 Bore – -4CC – #957552024-11-01T13:07:19+00:00
625 S Douglas St. El Segundo, CA 90245Phone: 1 (310) 536-0100SaveSave
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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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