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6171-4040 2.5 - 151 Iron Duke FX Series -7cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.040 inch bore COMP HEIGHT: 1.57 6171-4040 2.5 - 151 Iron Duke FX Series -7cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.040 inch bore COMP HEIGHT: 1.57
from $599.95
from $599.95
154 Iron Duke, FX, Comp Height: 1.57, -7cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.84, 72cc-8.22, 78cc-7.75
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6171-4040 301 Pontiac 301 FX Series -7cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.040 inch bore COMP HEIGHT: 1.57 6171-4040 301 Pontiac 301 FX Series -7cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.040 inch bore COMP HEIGHT: 1.57
from $669.95
from $669.95
308 Pontiac 301, FX, Comp Height: 1.57, -7cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.84, 72cc-8.22, 78cc-7.75
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6171-4060 2.5 - 151 Iron Duke FX Series -7cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.060 inch bore COMP HEIGHT: 1.57 6171-4060 2.5 - 151 Iron Duke FX Series -7cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.060 inch bore COMP HEIGHT: 1.57
from $599.95
from $599.95
155 Iron Duke, FX, Comp Height: 1.57, -7cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.89, 72cc-8.26, 78cc-7.8
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6171-4060 301 Pontiac 301 FX Series -7cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.060 inch bore COMP HEIGHT: 1.57 6171-4060 301 Pontiac 301 FX Series -7cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.060 inch bore COMP HEIGHT: 1.57
from $669.95
from $669.95
311 Pontiac 301, FX, Comp Height: 1.57, -7cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.92, 72cc-8.28, 78cc-7.82
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6173-4000 2.5 - 151 Iron Duke FX Series -14cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.000 inch bore COMP HEIGHT: 1.57 6173-4000 2.5 - 151 Iron Duke FX Series -14cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.000 inch bore COMP HEIGHT: 1.57
from $599.95
from $599.95
151 Iron Duke, FX, Comp Height: 1.57, -14cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.1, 72cc-7.57, 78cc-7.17
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6173-4000 301 Pontiac 301 FX Series -14cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.000 inch bore COMP HEIGHT: 1.57 6173-4000 301 Pontiac 301 FX Series -14cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.000 inch bore COMP HEIGHT: 1.57
from $669.95
from $669.95
302 Pontiac 301, FX, Comp Height: 1.57, -14cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.1, 72cc-7.57, 78cc-7.17
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6173-4030 2.5 - 151 Iron Duke FX Series -14cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.030 inch bore COMP HEIGHT: 1.57 6173-4030 2.5 - 151 Iron Duke FX Series -14cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.030 inch bore COMP HEIGHT: 1.57
from $599.95
from $599.95
153 Iron Duke, FX, Comp Height: 1.57, -14cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.18, 72cc-7.64, 78cc-7.25
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6173-4030 301 Pontiac 301 FX Series -14cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.030 inch bore COMP HEIGHT: 1.57 6173-4030 301 Pontiac 301 FX Series -14cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.030 inch bore COMP HEIGHT: 1.57
from $669.95
from $669.95
306 Pontiac 301, FX, Comp Height: 1.57, -14cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.18, 72cc-7.64, 78cc-7.25
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6173-4040 2.5 - 151 Iron Duke FX Series -14cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.040 inch bore COMP HEIGHT: 1.57 6173-4040 2.5 - 151 Iron Duke FX Series -14cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.040 inch bore COMP HEIGHT: 1.57
from $599.95
from $599.95
154 Iron Duke, FX, Comp Height: 1.57, -14cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.22, 72cc-7.68, 78cc-7.28
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6173-4040 301 Pontiac 301 FX Series -14cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.040 inch bore COMP HEIGHT: 1.57 6173-4040 301 Pontiac 301 FX Series -14cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.040 inch bore COMP HEIGHT: 1.57
from $669.95
from $669.95
308 Pontiac 301, FX, Comp Height: 1.57, -14cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.22, 72cc-7.68, 78cc-7.28
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6173-4060 2.5 - 151 Iron Duke FX Series -14cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.060 inch bore COMP HEIGHT: 1.57 6173-4060 2.5 - 151 Iron Duke FX Series -14cc Dish Top No Notch GM Iron Duke Forged Piston Set 4.060 inch bore COMP HEIGHT: 1.57
from $599.95
from $599.95
155 Iron Duke, FX, Comp Height: 1.57, -14cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.26, 72cc-7.72, 78cc-7.32
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6173-4060 301 Pontiac 301 FX Series -14cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.060 inch bore COMP HEIGHT: 1.57 6173-4060 301 Pontiac 301 FX Series -14cc Dish Top No Notch Pontiac 301 Forged Piston Set 4.060 inch bore COMP HEIGHT: 1.57
from $669.95
from $669.95
311 Pontiac 301, FX, Comp Height: 1.57, -14cc Dish Top No Notch, PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.000", ROD: 6.05, Approx Comp Ratio: 65cc-8.28, 72cc-7.74, 78cc-7.34
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6203-3800 231 V6 & GN Buick V6 & Grand National FX Series -15cc Dish Top Buick V6 & Grand National Forged Piston Set 3.800 inch bore Pin Dia.: 0.94 6203-3800 231 V6 & GN Buick V6 & Grand National FX Series -15cc Dish Top Buick V6 & Grand National Forged Piston Set 3.800 inch bore Pin Dia.: 0.94
from $629.95
from $629.95
231 Buick V6 & Grand National, FX, Comp Height: 1.85, -15cc Dish Top, PIN: .94", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.400", ROD: 5.96, Approx Comp Ratio: 41cc-10.95, 46cc-10.21, 55cc-9.14 NOTE: Effective April 17, 2025, all Buick ring grooves have been updated to the new specifications of 1.2-1.2-3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1/16-1/16-3/16.
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6203-3810 231 V6 & GN Buick V6 & Grand National FX Series -15cc Dish Top Buick V6 & Grand National Forged Piston Set 3.810 inch bore Pin Dia.: 0.94 6203-3810 231 V6 & GN Buick V6 & Grand National FX Series -15cc Dish Top Buick V6 & Grand National Forged Piston Set 3.810 inch bore Pin Dia.: 0.94
from $629.95
from $629.95
233 Buick V6 & Grand National, FX, Comp Height: 1.85, -15cc Dish Top, PIN: .94", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.400", ROD: 5.96, Approx Comp Ratio: 41cc-11.03, 46cc-10.29, 55cc-9.21 NOTE: Effective April 17, 2025, all Buick ring grooves have been updated to the new specifications of 1.2-1.2-3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1/16-1/16-3/16.
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6203-3820 231 V6 & GN Buick V6 & Grand National FX Series -15cc Dish Top Buick V6 & Grand National Forged Piston Set 3.820 inch bore Pin Dia.: 0.94 6203-3820 231 V6 & GN Buick V6 & Grand National FX Series -15cc Dish Top Buick V6 & Grand National Forged Piston Set 3.820 inch bore Pin Dia.: 0.94
from $629.95
from $629.95
234 Buick V6 & Grand National, FX, Comp Height: 1.85, -15cc Dish Top, PIN: .94", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.400", ROD: 5.96, Approx Comp Ratio: 41cc-11.05, 46cc-10.33, 55cc-9.25 NOTE: Effective April 17, 2025, all Buick ring grooves have been updated to the new specifications of 1.2-1.2-3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1/16-1/16-3/16.
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6203-3830 231 V6 & GN Buick V6 & Grand National FX Series -15cc Dish Top Buick V6 & Grand National Forged Piston Set 3.830 inch bore Pin Dia.: 0.94 6203-3830 231 V6 & GN Buick V6 & Grand National FX Series -15cc Dish Top Buick V6 & Grand National Forged Piston Set 3.830 inch bore Pin Dia.: 0.94
from $629.95
from $629.95
235 Buick V6 & Grand National, FX, Comp Height: 1.85, -15cc Dish Top, PIN: .94", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.400", ROD: 5.96, Approx Comp Ratio: 41cc-11.09, 46cc-10.37, 55cc-9.28 NOTE: Effective April 17, 2025, all Buick ring grooves have been updated to the new specifications of 1.2-1.2-3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1/16-1/16-3/16.
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