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Speed Pro Hypereutectic Pistons & Moly Ring Set
This piston and ring set is ideal for budget conscious engine builders. The pistons have Duroshield skirt coating that delivers a longer life and reduces friction. Included are Sealed Power Moly Faced Rings which deliver optimal sealing and also a long life making a perfect matching for the Speed Pro Pistons. Save time and money with having pistons and rings in the same package! Set of 8.
Ideal for budget conscious engine builders
Reduces or eliminates the need for piston balancing
Duroshield coating delivers longer life and reduced friction
Piston and rings come together in a single package
Sealed Power premium quality moly faced piston ring set
Duroshield friction reducing coating
Optimal sealing and longer life rings
Famous SS50 expander design delivers superior oil control
Feature the latest round wire retainer technology
Pin fit and ready for installation
Part Type: Pistons & Rings Set
Model: SpeedPro Duroshield Hypereutectic FM244 Silicon Alloy Pistons
Application: Ford 289/302 Small Block
Piston Style: Flat Top with 4 Valve Relief
Piston Head Volume: 8cc
Cylinder Bore: 4.040"
Compression Distance: 1.605"
Crankshaft Stroke/Rod Length: 2.870" with 5.155" Connecting Rod (294ci)
Crankshaft Stroke/Rod Length: 3.000" with 5.090" Connecting Rod (307ci)
Deck Clearance: .011"
Deck Clearance: .034” (302 1973-76)
289 Eng.
Compression Ratio 2.870" Stroke w/54.5 cc Heads: 9.16
Compression Ratio 2.870" Stroke w/58.2 cc Heads: 8.77
Compression Ratio 2.870" Stroke w/60.4 cc Heads: 8.55
Compression Ratio 2.870" Stroke w/63.0 cc Heads: 8.32
Compression Ratio 2.870" Stroke w/69.0 cc Heads: 7.82
302 Eng. 1968-72; ’77-Later (8.206 Deck Height)
Compression Ratio 3.000" Stroke w/54.5 cc Heads: 9.53
Compression Ratio 3.000" Stroke w/58.2 cc Heads: 9.12
Compression Ratio 3.000" Stroke w/60.4 cc Heads: 8.90
Compression Ratio 3.000" Stroke w/63.0 cc Heads: 8.65
Compression Ratio 3.000" Stroke w/69.0 cc Heads: 8.13
302 Eng. 1973-76 (8.229 Deck Height)
Compression Ratio 3.000" Stroke w/54.5 cc Heads: 9.00
Compression Ratio 3.000" Stroke w/60.4 cc Heads: 8.64
Compression Ratio 3.000" Stroke w/60.4 cc Heads: 8.45
Compression Ratio 3.000" Stroke w/63.0 cc Heads: 8.22
Compression Ratio 3.000" Stroke w/69.0 cc Heads: 7.76
Piston Material: Hypereutectic FM244 Alloy
Accumulator Groves: No
Forced Pin Oilers: No
Gas Ports: No
Skirt Clearance: .0015”
Skirt Coating: Yes, Duroshield Anti-Friction Coating
Lock Removal Indents: No
Wrist Pin Style: Press-Fit
Wrist Pins Included: Yes
Pin Diameter: 0.912"
Ring Grove Sizes: 5/64", 5/64", 3/16"
Piston Rings Included: Yes, Sealed Power Moly Faced Rings
Ring Set Part Number: E-251K40
Manufacturer's Piston Part Number: H273CP40
Piston & Ring Set Base Number: SEA8-KH273CP40
Manufacturer: Federal-Mogul Corporation
Weight: 14.0 lbs.
Warranty: Sold without warranty or guarantee of any kind
Quantity: Sold as Sets of 8
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