SEALED POWER Speed-Pro Hypereutectic Pistons H631CP


1 in stock

SKU: SEAH631CP Category:


Product Info
Part Number
Vendor Part Number
UPC Code
Package Weight
1.33 lbs
0.60 kg
Package Length
19.42 in
49.33 cm
Package Width
9.31 in
23.65 cm
Package Height
4.54 in
11.53 cm

Part Type: Pistons
Model: Hypereutectic FM244 Silicon Alloy Pistons
Application: Chevrolet 350Small Block V8
Piston Style: Flat Top with 2 Valve Reliefs
Cylinder Bore: 4.000″
Compression Distance: 1.560″
Crankshaft Stroke/Rod Length: 3.480″ with 5.700″ Connecting Rod (350ci)
Deck Clearance: .025″
Dome Type: Flat
Compression Ratio 3.480″ Stroke w/58.0 cc Heads: 10.28
Compression Ratio 3.480″ Stroke w/60.5 cc Heads: 9.99
Compression Ratio 3.480″ Stroke w/64.0 cc Heads: 9.61
Compression Ratio 3.480″ Stroke w/68.0 cc Heads: 9.21
Compression Ratio 3.480″ Stroke w/72.0 cc Heads: 8.85
Compression Ratio 3.480″ Stroke w/76.0 cc Heads: 8.52
Piston Material: Hypereutectic FM244 Alloy
Accumulator Groves: No
Forced Pin Oilers: No
Gas Ports: No
Skirt Clearance: .0010”
Skirt Coating: Yes, Duroshield Anti-Friction Coating
Lock Removal Indents: No
Wrist Pin Style: Press-Fit or Floating
Wrist Pins Included: Yes
Pin Lock: N/A
Ring Grove Sizes: 5/64″, 5/64″, 3/16″
Piston Rings Included: No
Manufacturer: Federal-Mogul Corporation
Manufacturer’s Part Number: H631CP
Weight: 14.0 lbs.