Name: Sealed Power H631CP 40 "Speed Pro" Engine Cast Piston
SKU: h631cp40
Price: 479.92 USD
Availability: InStock

SEALED POWER part description

Product Description

Engine Piston

Application Summary

Performance

Features & Benefits

Exclusive higher-strength FM-425 alloy with 16.5 percent silicon finely dispersed throughout the material
Sophisticated "barrel" profiles help optimize oil wedge between skirt and wall.
Piston skirts protected by next-gen DUROSHIELD(R) coating.
TACTM ring groove geometry
Weight matched to +/- 2 grams.
Machined valve reliefs and circlip grooves; LR-63 lock rings for floated applications

Product Attributes

Oversized	Yes
Oversized Amount	.040 IN
Top Compression Ring Thickness	0.0781 IN
Second Compression Ring Thickness	0.0781 IN
Oil Ring Thickness	0.1875 IN
Assembly Lubricant Included	No
Cylinder Bore Diameter	4.040 IN
Piston Material	Hypereutectic
Compression Height	1.560 IN
Dome Volume CC	-5.0
Head Illustration	188
Head Type	Flat, 2 reliefs; DUROSHIELD skirt coated piston
Lock Ring	Included
Minimum Clearance	.0010
Part Description	Engine Piston
Pin Diameter (Inch)	0.927
Pin Type	F
Pin Weight Gram	159
Weight W Pin Gram	731
Weight w/o Pin Gram	572

Additional Information

Country of Origin (Primary)	IN
Canadian Harmonizing Tariff Code	8409910010
Harmonized Tariff Code (HTS)	8409915085
UPC	00614046228818

Speed-Pro® is the go-to brand not only for racers and performance enthusiasts but also for those who are cruising down the road day in day out. With its engineering expertise, advanced technologies, and industry-leading manufacturing facilities and techniques, Speed-Pro sets the bar higher for other manufacturers of pistons, engine bearing parts, and performance engine components. The engine solutions from Speed-Pro are meticulously designed and crafted to boost horsepower production and make engine rebuild an easy feat. Since its establishment, this brand has continuously improved and refined its operations and quality control measures to maintain high quality standards and satisfy customers’ requirements and demands.