Speed Pro 350 ci SB Chev - Flat Top Hypereutectic Pistons (SPH860CP 040)

SPH860CP 040 - SBC 383 CHEV FLAT TOP PISTON

385 c.i., 4.040" bore, 3.750 stroke, 5.700" rod length, -5.0cc dome volume

Part Number: SPH860CP 040

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: 385
Bore: 4.040
Stroke: 3.750
Rod Length: 5.700
Compression Height: 1.425
Compression Ratio with 64cc chamber volume: 10.44
Compression Ratio with 72cc chamber volume: 9.61
Compression Ratio with 76cc chamber volume: 9.25
Dome Volume: -12.0cc
Pin Type: Press or float

Recommended Ring Set: Moly - SPE251K 040, STD Fit - N/A, File Fit - SPR9343 045
Coated skirt