350 ci SB Chev - Dish Top Hypereutectic Pistons381 c.i., 4.020" bore, 3.750 stroke, 5.700" rod length, -12.0cc dome volumeBrand: SPEEDPROPart Number: SPH859CP 020Description: 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: 381
- Bore: 4.020
- Stroke: 3.750
- Rod Length: 5.700
- Compression Height: 1.425
- Compression Ratio with 64cc chamber volume: 9.63
- Compression Ratio with 72cc chamber volume: 8.93
- Compression Ratio with 76cc chamber volume: 8.62
- Dome Volume: -12.0cc
- Pin Type: Press or float
- Recommended Ring Set: Moly - SPE251K 020, STD Fit - SPR9903 020, File Fit - SPR9343 025
- Coated skirt
