JE Pistons ::::: JE Pistons 258030 23deg Inverted Dome Gas Ported Set of 8 Piston

JE Pistons 258030 JE Pistons; 23deg Inverted Dome; Tour Series Gas Ported; FSR Forging; Fits 3.480 and 3.500 Stroke; Set of 8 Pistons; Recommended RingSet: J70008-4040-5

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:

• Comp Height: 1.25
• Stroke: 3.5
• Comp Ratio @ 76cc: 9.5:1
• Comp Ratio @ 58cc: 11.2:1
• Block Height: 9
• Dome Volume: -5
• Bore: 4.04
• Comp Ratio @ 64cc: 10.4:1
• Oversize: 0.04
• Rod: 6
• CID: 359
• Gram Weight: 366

Fitments:

• Chevrolet 305 Small Block (1977-2002)