Piston Packs

4.030; 3.480/3.500 Stroke; 5.700 Rod; 4-Valve
USRA Factory Stock

4.060; 3.480/3.500 Stroke; 5.700 Rod; 4-Valve
USRA Factory Stock

4.040; 3.480/3.500 Stroke; 5.700 Rod; 4-Valve
USRA Factory Stock

• Application: SBC 350
• Style: Flat Top w/ 4 Valve Relief
• Comp. Height: 1.550"
• Crown Volume: 10cc
• C/R 64cc: 9.8
• C/R 76cc: 8.7
• Gram Weight: 533/132
• Pin: .927" x 2.750"
• Rings: 5/64", 5/64", 3/16"

• Application: SBC 383
• Style: Flat Top w/ 4 Valve Relief
• Comp. Height: 1.125"
• Crown Volume: 10cc
• C/R 64cc: 10.5
• C/R 76cc: 9.3
• Gram Weight: 432/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 383
• Style: Flat Top w/ 4 Valve Relief
• Comp. Height: 1.125"
• Crown Volume: 10cc
• C/R 64cc: 10.5
• C/R 76cc: 9.3
• Gram Weight: 432/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 350
• Style: Flat Top w/ 2 Valve Relief
• Comp. Height: 1.265"
• Crown Volume: 4.9cc
• C/R 64cc: 10.4
• C/R 76cc: 9.1
• Gram Weight: 439/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 350
• Style: Flat Top w/ 2 Valve Relief
• Comp. Height: 1.265"
• Crown Volume: 4.9cc
• C/R 64cc: 10.4
• C/R 76cc: 9.1
• Gram Weight: 439/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 350
• Style: Flat Top w/ 2 Valve Relief
• Comp. Height: 1.565"
• Crown Volume: 4.9cc
• C/R 64cc: 10.4
• C/R 76cc: 9.1
• Gram Weight: 499/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 383
• Style: Flat Top w/ 2 Valve Relief
• Comp. Height: 1.125"
• Crown Volume: 4.9cc
• C/R 64cc: 11.1
• C/R 76cc: 9.8
• Gram Weight: 410/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 383
• Style: Flat Top w/ 2 Valve Relief
• Comp. Height: 1.125"
• Crown Volume: 4.9cc
• C/R 64cc: 11.1
• C/R 76cc: 9.8
• Gram Weight: 410/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 383
• Style: Flat Top w/ 2 Valve Relief
• Comp. Height: 1.125"
• Crown Volume: 4.9cc
• C/R 64cc: 11.1
• C/R 76cc: 9.8
• Gram Weight: 410/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 350
• Style: .163" Solid Dome
• Comp. Height: 1.655"
• Crown Volume: -6.3cc
• C/R 64cc: 12.0
• C/R 76cc: 10.3
• Gram Weight: 526/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 350
• Style: .163" Solid Dome
• Comp. Height: 1.655"
• Crown Volume: -6.3cc
• C/R 64cc: 12.0
• C/R 76cc: 10.3
• Gram Weight: 526/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 350
• Style: .163" Solid Dome
• Comp. Height: 1.265"
• Crown Volume: -6.3cc
• C/R 64cc: 12.0
• C/R 76cc: 10.3
• Gram Weight: 469/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 350
• Style: .163" Solid Dome
• Comp. Height: 1.265"
• Crown Volume: -6.3cc
• C/R 64cc: 12.0
• C/R 76cc: 10.3
• Gram Weight: 469/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 383
• Style: .163" Solid Dome
• Comp. Height: 1.425"
• Crown Volume: -6.3cc
• C/R 64cc: 12.9
• C/R 76cc: 11.0
• Gram Weight: 526/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 383
• Style: .163" Solid Dome
• Comp. Height: 1.425"
• Crown Volume: -6.3cc
• C/R 64cc: 12.9
• C/R 76cc: 11.0
• Gram Weight: 526/132
• Pin: .927" x 2.750"
• Rings: 1/16", 1/16", 3/16"

• Application: Ford 2300
• Style: Flat Top w/ 2 Valve Relief
• Comp. Height: 1.090"
• Crown Volume: 2.5cc
• C/R 60cc: 9.3
• C/R 64cc: 8.9
• Gram Weight: 316/85
• Pin: .927" x 2.250"
• Rings: 1/16", 1/16", 3/16"

• Application: Ford 2300
• Style: Flat Top w/ 2 Valve Relief
• Comp. Height: 1.090"
• Crown Volume: 2.5cc
• C/R 60cc: 9.3
• C/R 64cc: 8.9
• Gram Weight: 316/85
• Pin: .927" x 2.250"
• Rings: 1/16", 1/16", 3/16"

• Application: SBC 305
• Style: Flat Top w/ 2 Valve Relief
• Comp. Height: 1.565"
• Crown Volume: 3.4cc
• C/R 64cc: 9.5
• C/R 66cc: 9.3
• Gram Weight: 405/105
• Pin: .927" x 2.225"
• Rings: 1.5mm, 1.5mm, 3.0mm

• Application: SBC 305
• Style: Flat Top w/ 2 Valve Relief
• Comp. Height: 1.565"
• Crown Volume: 3.4cc
• C/R 64cc: 9.5
• C/R 66cc: 9.3
• Gram Weight: 405/105
• Pin: .927" x 2.225"
• Rings: 1.5mm, 1.5mm, 3.0mm

• Application: SBC 305
• Style: Flat Top w/ 2 Valve Relief
• Comp. Height: 1.565"
• Crown Volume: 3.4cc
• C/R 64cc: 9.5
• C/R 66cc: 9.3
• Gram Weight: 405/105
• Pin: .927" x 2.225"
• Rings: 1.5mm, 1.5mm, 3.0mm

• Application: SBC 395
• Style: .400" Solid Dome
• Comp. Height: 1.062"
• Crown Volume: -11cc
• C/R 64cc: 14.2
• Gram Weight: 433/119
• Pin: .927" x 2.500"
• Rings: 1.5mm, 1.5mm, 3.0mm