JE Pistons ::::: JE Pistons 232474 Flat Top for Dart/SVO Big Bore Block

JE Pistons 232474 JE Pistons; Flat Top; For Dart/SVO Big Bore Block; Oil Rail Support is Included; .927 Pin Diameter; Set of 8 Pistons; Recommended RingSet: J10008-4125-5

JE Pistons - Domestic: For over 60 years, JE Pistons has been the industry leader in forged racing pistons for Chevy, Ford, Mopar and Buick engines.

Features:

• Application Specific Forgings for an Optimized, Uniform Crown Thickness
• Contact Reduction Groove to Minimize Frictional Drag
• Accumulator Groove for Increased Top Ring Stability and Sealing
• CNC-Machined Side Relief with Lower Support Band for Additional Skirt Strength
• Honed Pin Bores, Double Pressure Fed Pin Oilers and Wire Locks Included

Specifications:

• Bore: 4.125
• Comp Ratio @ 56cc: 13.5:1
• Comp Ratio @ 60cc: 12.8:1
• Gram Weight: 490
• Comp Height: 1.28
• Oversize: STD
• CID: 428
• Comp Ratio @ 64cc: 12.2:1
• Stroke: 4
• Block Height: 9.48
• Rod: 6.2
• Dome Volume: -5

Fitments:

• Ford 351 Small Block (1969-1997)