Product Description
This Sealed Power H860CP40 piston set includes eight hypereutectic flattop pistons with two valve reliefs. The pistons are specified for a 4.040-inch bore and 3.750-inch stroke, with press-or-floating pin compatibility and coated skirts. Ring dimensions are 5/64, 5/64, and 3/16 inch.
Product Specifications
BrandSealed Power
Manufacturer Part NumberH860CP40
Item Weight11.71 pounds
Product Dimensions9.6 x 19.5 x 4.7 inches
Item model numberH860CP40
OEM Part Number8-KH860CP40
Explicit Manufacturer Part NumberH860CP40
Explicit OE/OEM Part Numbers8-KH860CP40
Quantity8 pistons
Bore4.040 in
Stroke3.750 in
Piston DesignFlattop with 2 valve reliefs
Pin TypePress or floating pin
SkirtCoated
Ring Dimensions5/64, 5/64, 3/16 in
Compression Distance1.425 in
Deck Clearance0.025 in
Skirt Clearance0.0010 in
Compression Ratio10.98:1 with 58cc cylinder head; 10.27:1 with 64cc; 9.84:1 with 72cc; 9.10:1 with 76cc
Weight11.71 lb