• Ford 302 Windsor: Dual Valve Relief – 331 – Dish Top: 1.160 C/H – 4.001 Bore – -20.00CC – #99798

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

    Piston Top Type: Dish Top
    Bore: 4.001
    Stroke: 3.250
    Rod Length: 5.400
    Compression Height: 1.160
    Compression Ratio (58): 8.7
    Compression Ratio (61): 8.5
    Compression Ratio (72): 7.7
    Dome Volume: -20.00
    Gram Weight: 425
    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
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 8.200
    Oil Rail Spacer: ORS-400
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 302 Windsor: Dual Valve Relief – 331 – Dish Top: 1.160 C/H – 4.030 Bore – -20.00CC – #99799

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

    Piston Top Type: Dish Top
    Bore: 4.030
    Stroke: 3.250
    Rod Length: 5.400
    Compression Height: 1.160
    Compression Ratio (58): 8.8
    Compression Ratio (61): 8.6
    Compression Ratio (72): 7.7
    Dome Volume: -20.00
    Gram Weight: 437
    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
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 8.200
    Oil Rail Spacer: ORS-400
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 302 Windsor: Dual Valve Relief – 331 – Flat Top: 1.160 C/H – 4.001 Bore – -6.10CC – #99795

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

    Piston Top Type: Flat Top
    Bore: 4.001
    Stroke: 3.250
    Rod Length: 5.400
    Compression Height: 1.160
    Compression Ratio (58): 10.2
    Compression Ratio (61): 9.8
    Compression Ratio (72): 8.7
    Dome Volume: -6.10
    Gram Weight: 439
    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
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 8.200
    Oil Rail Spacer: ORS-400
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 302 Windsor: Dual Valve Relief – 331 – Flat Top: 1.160 C/H – 4.030 Bore – -6.10CC – #99796

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

    Piston Top Type: Flat Top
    Bore: 4.030
    Stroke: 3.250
    Rod Length: 5.400
    Compression Height: 1.160
    Compression Ratio (58): 10.3
    Compression Ratio (61): 9.9
    Compression Ratio (72): 8.8
    Dome Volume: -6.10
    Gram Weight: 450
    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
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 8.200
    Oil Rail Spacer: ORS-400
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 302 Windsor: Dual Valve Relief – 347 – Dish Top: 1.085 C/H – 4.001 Bore – -12.00CC – #99793

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

    Piston Top Type: Dish Top
    Bore: 4.001
    Stroke: 3.400
    Rod Length: 5.400
    Compression Height: 1.085
    Compression Ratio (58): 9.9
    Compression Ratio (61): 9.6
    Compression Ratio (72): 8.6
    Dome Volume: -12.00
    Gram Weight: 411
    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
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 8.200
    Oil Rail Spacer: ORS-400
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 302 Windsor: Dual Valve Relief – 347 – Dish Top: 1.085 C/H – 4.030 Bore – -12.00CC – #99609

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

    Piston Top Type: Dish Top
    Bore: 4.030
    Stroke: 3.400
    Rod Length: 5.400
    Compression Height: 1.085
    Compression Ratio (58): 9.9
    Compression Ratio (61): 9.6
    Compression Ratio (72): 8.6
    Dome Volume: -12.00
    Gram Weight: 428
    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
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 8.200
    Oil Rail Spacer: ORS-400
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 351 Windsor: Heavy Boost: 408 – Dish Top: 1.290 C/H – 4.030 Bore – -34.00CC – #82205

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended For Use With Multiple Stage (400+ Shot) Nitrous & Heavy (30LB+) Boost
    [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: 6.200
    Compression Height: 1.290
    Compression Ratio (58): 9.3
    Compression Ratio (61): 9.0
    Compression Ratio (72): 8.3
    Dome Volume: -34.00
    Gram Weight: N/A
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CS3690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Wall: .150
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 9.500
    Oil Rail Spacer: ORS-400
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 351 Windsor: Heavy Boost: 410 – Dish Top: 1.290 C/H – 4.040 Bore – -34.60CC – #82206

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended For Use With Multiple Stage (400+ Shot) Nitrous & Heavy (30LB+) Boost
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 4.040
    Stroke: 4.000
    Rod Length: 6.200
    Compression Height: 1.290
    Compression Ratio (58): 9.3
    Compression Ratio (61): 9.0
    Compression Ratio (72): 8.3
    Dome Volume: -34.60
    Gram Weight: N/A
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CS3690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Wall: .150
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 9.500
    Oil Rail Spacer: ORS-400
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 351 Windsor: Heavy Boost: 418 – Dish Top: 1.240 C/H – 4.030 Bore – -36.75CC – #82207

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended For Use With Multiple Stage (400+ Shot) Nitrous & Heavy (30LB+) Boost
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 4.030
    Stroke: 4.100
    Rod Length: 6.200
    Compression Height: 1.240
    Compression Ratio (58): 9.3
    Compression Ratio (61): 9.0
    Compression Ratio (72): 8.3
    Dome Volume: -36.75
    Gram Weight: N/A
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CS3690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Wall: .150
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 9.500
    Oil Rail Spacer: ORS-400
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 351 Windsor: Heavy Boost: 420 – Dish Top: 1.240 C/H – 4.040 Bore – -37.25CC – #82208

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended For Use With Multiple Stage (400+ Shot) Nitrous & Heavy (30LB+) Boost
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 4.040
    Stroke: 4.100
    Rod Length: 6.200
    Compression Height: 1.240
    Compression Ratio (58): 9.3
    Compression Ratio (61): 9.0
    Compression Ratio (72): 8.3
    Dome Volume: -37.25
    Gram Weight: N/A
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CS3690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Wall: .150
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 9.500
    Oil Rail Spacer: ORS-400
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 351 Windsor: Heavy Boost: 427 – Dish Top: 1.290 C/H – 4.125 Bore – -38.70CC – #82209

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended For Use With Multiple Stage (400+ Shot) Nitrous & Heavy (30LB+) Boost
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 4.125
    Stroke: 4.000
    Rod Length: 6.200
    Compression Height: 1.290
    Compression Ratio (58): 9.3
    Compression Ratio (61): 9.0
    Compression Ratio (72): 8.3
    Dome Volume: -38.70
    Gram Weight: N/A
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CS0690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Wall: .150
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 9.500
    Oil Rail Spacer: ORS-412
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 351 Windsor: Heavy Boost: 434 – Dish Top: 1.290 C/H – 4.155 Bore – -40.00CC – #82210

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended For Use With Multiple Stage (400+ Shot) Nitrous & Heavy (30LB+) Boost
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 4.155
    Stroke: 4.000
    Rod Length: 6.200
    Compression Height: 1.290
    Compression Ratio (58): 9.3
    Compression Ratio (61): 9.0
    Compression Ratio (72): 8.3
    Dome Volume: -40.00
    Gram Weight: N/A
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CS0690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Wall: .150
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 9.500
    Oil Rail Spacer: ORS-412
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 351 Windsor: Heavy Boost: 438 – Dish Top: 1.240 C/H – 4.125 Bore – -41.50CC – #82211

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended For Use With Multiple Stage (400+ Shot) Nitrous & Heavy (30LB+) Boost
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 4.125
    Stroke: 4.100
    Rod Length: 6.200
    Compression Height: 1.240
    Compression Ratio (58): 9.3
    Compression Ratio (61): 9.0
    Compression Ratio (72): 8.3
    Dome Volume: -41.50
    Gram Weight: N/A
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CS0690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Wall: .150
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 9.500
    Oil Rail Spacer: ORS-412
    NOTE: Piston Rings Sold Separately
    Details

  • Ford 351 Windsor: Heavy Boost: 445 – Dish Top: 1.240 C/H – 4.155 Bore – -42.90CC – #82212

    Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
    Application: Recommended For Use With Multiple Stage (400+ Shot) Nitrous & Heavy (30LB+) Boost
    [Please Note]: Image is a representation of this item. Actual item may vary.

    Piston Top Type: Dish Top
    Bore: 4.155
    Stroke: 4.100
    Rod Length: 6.200
    Compression Height: 1.240
    Compression Ratio (58): 9.3
    Compression Ratio (61): 9.0
    Compression Ratio (72): 8.3
    Dome Volume: -42.90
    Gram Weight: N/A
    Rings: 1/16 1/16 3/16
    Ring Set: TOT-CS0690
    Rings Included: No
    Pin Type: 5115 Straight Wall
    Pin Diameter: .927
    Pin Wall: .150
    Pin Length: 2.500
    Pin Weight: 118
    Block Height: 9.500
    Oil Rail Spacer: ORS-412
    NOTE: Piston Rings Sold Separately
    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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