350 ci SB Chev - Flat Top Hypereutectic Pistons389 c.i., 4.060" bore, 3.750 stroke, 5.700" rod length, -5.0cc dome volumeBrand: SPEEDPROPart Number: SPH860CP 060Description: 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: 389
- Bore: 4.060
- Stroke: 3.750
- Rod Length: 5.700
- Compression Height: 1.425
- Compression Ratio with 64cc chamber volume: 10.53
- Compression Ratio with 72cc chamber volume: 9.69
- Compression Ratio with 76cc chamber volume: 9.33
- Dome Volume: -12.0cc
- Pin Type: Press or float
- Recommended Ring Set: Moly - SPE251K 060, STD Fit - SPR9903 060, File Fit - SPR9343 065
- Coated skirt
