JE Pistons ::::: JE Pistons 207418 Inverted Dome for Dart/SVO Big Bore Block

JE Pistons 207418 JE Pistons; Inverted Dome; For Dart/SVO Big Bore Block; .927 Pin Diameter; Set of 8 Pistons; Recommended RingSet: J100F8-4125-5

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
• Rod: 6.2 / 6.25 / 6.125
• Stroke: 3.875 / 4 / 3.75 / 3.8 / 3.85
• Block Height: 9.475 / 9.5 / 9.488
• CID: 414 / 401 / 406 / 411 / 427
• Comp Height: 1.35
• Comp Ratio @ 56cc: 9.7:1 / 9.5:1 / 9.4:1 / 10:1
• Comp Ratio @ 60cc: 9.4:1 / 9.1:1 / 9.2:1 / 9.6:1 / 9.3:1
• Comp Ratio @ 64cc: 9:1 / 8.9:1 / 8.8:1 / 9.3:1 / 9.1:1
• Dome Volume: -32
• Oversize: STD
• Gram Weight: 486

Fitments:

• Ford 351 Small Block (1957-1997)