Description

351 ci Ford Cleveland – Flat Top Hypereutectic Pistons355 c.i., 4.020″ bore, 3.500 stroke, 5.780″ rod length, -2.0cc dome volume
Brand: SPEEDPRO
Part Number: SPH555CP 020
Description:

Available on both hypereutectic and POWERFORGED pistons, DUROSHIELD is an exclusive moly-graphite skirt
coating that extends engine life and essentially eliminates scuffing. This technologically advanced coating is precisely applied to the piston through a computer-controlled process.

DUROSHIELD skirt coated pistons:

• Reduce friction for increased fuel economy and horsepower
• Essentially eliminate scuffing and wear
• Prevent damage from inadequate lubrication, especially at start-up
• Improve cylinder sealing for less blow-by and more power
• Require no increase in skirt clearance

Piston Specifications :

• CID: 355
• Bore: 4.020
• Stroke: 3.500
• Rod Length: 5.780
• Compression Height: 1.645
• Compression Ratio with 63cc chamber volume: 10.07
• Compression Ratio with 67cc chamber volume: 9.64
• Compression Ratio with 76cc chamber volume: 8.79
• Dome Volume: -2.0cc
• Pin Type: Press
• Recommended Ring Set: Moly – SPE251K 020, STD Fit – SPR9903 020, File Fit – SPR9343 025
• Coated skirt