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  • Offenhauser 1939-53 Flathead Ford 4-Ring Pistons, 3.75 Stroke, 3.248 Bore
    Offenhauser 1939-53 Flathead Ford 4-Ring Pistons, 3.75 Stroke, 3.248 Bore
    x
                

    Original Flathead pistons used four rings, were somewhat round, had questionable wrist pins and locks and were made of cast iron. These pressure-cast aluminum pistons share the four-ring design, but are cam ground and use modern steel wrist pins and real snap rings. They’re a great upgrade when rebuilding your 1939-1953 flathead Ford or Mercury V8 engine.

    The original bore size was 3.188", which makes these .060" oversize. Sold in sets of eight.

    • Original 4-ring design
    • Pressure cast aluminum construction provides great strength and durability
    • Precision cam ground
    • Modern steel wrist pins
    • Snap ring style retainer clips
  • Flathead Ford Aluminum 3-Ring Pistons, 4.00 Stroke, 3.3125 Bore
    Flathead Ford Aluminum 3-Ring Pistons, 4.00 Stroke, 3.3125 Bore
    x
                

    These Flathead Ford 3 ring pistons are made of A332 aluminum and heat treated to a T-6 spec. They have a 5/64" first and second ring groove and the oil groove is 3/16". 

    Rings sold separately.
  • Offenhauser 1939-53 Flathead Ford 4-Ring Pistons, 4.00 Stroke, 3.248 Bore
    Offenhauser 1939-53 Flathead Ford 4-Ring Pistons, 4.00 Stroke, 3.248 Bore
    x
                

    Original Flathead pistons used four rings, were somewhat round, had questionable wrist pins and locks and were made of cast iron. These pressure-cast aluminum pistons share the four-ring design, but are cam ground and use modern steel wrist pins and real snap rings. They’re a great upgrade when rebuilding your 1939-1953 flathead Ford or Mercury V8 engine.

    • Original 4-ring design
    • Pressure cast aluminum construction provides great strength and durability
    • Precision cam ground
    • Modern steel wrist pins
    • Snap ring style retainer clips

    The original bore size was 3.188", which makes these .060" oversize. Sold in sets of eight.

  • Offenhauser 1939-53 Flathead Ford 4-Ring Pistons, 3.75 Stroke, 3.313 Bore
    Offenhauser 1939-53 Flathead Ford 4-Ring Pistons, 3.75 Stroke, 3.313 Bore
    x
                

    Original Flathead pistons used four rings, were somewhat round, had questionable wrist pins and locks and were made of cast iron. These pressure-cast aluminum pistons share the four-ring design, but are cam ground and use modern steel wrist pins and real snap rings. They’re a great upgrade when rebuilding your 1939-1953 flathead Ford or Mercury V8 engine.

    • Original 4-ring design
    • Pressure cast aluminum construction provides great strength and durability
    • Precision cam ground
    • Modern steel wrist pins
    • Snap ring style retainer clips

    The original bore size was 3.188", which makes these .125" oversize. Sold in sets of eight.

  • Offenhauser 1939-53 Flathead Ford 4-Ring Pistons, 4.00 Stroke, 3.313 Bore
    Offenhauser 1939-53 Flathead Ford 4-Ring Pistons, 4.00 Stroke, 3.313 Bore
    x
                

    Original Flathead pistons used four rings, were somewhat round, had questionable wrist pins and locks and were made of cast iron. These pressure-cast aluminum pistons share the four-ring design, but are cam ground and use modern steel wrist pins and real snap rings. They’re a great upgrade when rebuilding your 1939-1953 flathead Ford or Mercury V8 engine.

    • Original 4-ring design
    • Pressure cast aluminum construction provides great strength and durability
    • Precision cam ground
    • Modern steel wrist pins
    • Snap ring style retainer clips

    The original bore size was 3.188", which makes these .125" oversize. Sold in sets of eight.

  • Flathead Ford Aluminum 3-Ring Pistons, 4.00 Stroke, 3.375 Bore
    Flathead Ford Aluminum 3-Ring Pistons, 4.00 Stroke, 3.375 Bore
    x
                

    These flathead Ford 3-ring pistons are made of A332 aluminum and heat treated to a T-6 spec. They have a 5/64" first and second ring groove and the oil groove is 3/16". 

    Rings sold separately. 

  • Flathead Ford Aluminum 3-Ring Pistons, 3.75 Stroke, 3.3125 Bore
    Flathead Ford Aluminum 3-Ring Pistons, 3.75 Stroke, 3.3125 Bore
    x
                

    These flathead Ford 3-ring pistons are made of A332 aluminum and heat treated to a T-6 spec. They have a 5/64" first and second ring groove and the oil groove is 3/16". 

    Sets include wristpins and locks. Rings sold separately.

  • Arias Forged Flathead Ford Pistons, 4.00 Stroke
    Arias Forged Flathead Ford Pistons, 4.00 Stroke
    x
                

    If you are going to spend the time and money to build the flathead of your dreams, you just as well spring for Arias forged pistons. Arias forgings work great with nitrous and up to 10 psi on blown engines. They come as a set of eight and include wrist pins, locks and piston rings. They are a three ring design and work with the stock 7" rod length. Stock flathead bore size was 3.188"

    Each piston set includes:

    • (8) Forged Aluminum Pistons
    • (8) Wrist Pins w/ Locks
    • (8) Cast Ring Sets
  • Arias Forged Flathead Ford Pistons, 3.75 Stroke
    Arias Forged Flathead Ford Pistons, 3.75 Stroke
    x
                

    If you are going to spend the time and money to build the flathead of your dreams, you just as well spring for Arias forged pistons. Arias forgings work great with nitrous and up to 10 psi on blown engines. They come as a set of eight and include wrist pins, locks and piston rings. They are a three ring design and work with the stock 7" rod length. Stock flathead bore size was 3.188"

    Each piston set includes:

    • (8) Forged Aluminum Pistons
    • (8) Wrist Pins w/ Locks
    • (8) Cast Ring Sets
  • Arias Forged Flathead Ford Pistons, 4.125 Stroke
    Arias Forged Flathead Ford Pistons, 4.125 Stroke
    x
                

    If you are going to spend the time and money to build the flathead of your dreams, you just as well spring for Arias forged pistons. Arias forgings work great with nitrous and up to 10 psi on blown engines. They come as a set of eight and include wrist pins, locks and piston rings. They are a three ring design and work with the stock 7" rod length. Stock flathead bore size was 3.188"

    Each piston set includes:

    • (8) Forged Aluminum Pistons
    • (8) Wrist Pins w/ Locks
    • (8) Cast Ring Sets
  • Flathead Ford Aluminum 3-Ring Pistons, 3.75 Stroke, 3.375 Bore
    Flathead Ford Aluminum 3-Ring Pistons, 3.75 Stroke, 3.375 Bore
    x
                

    These flathead Ford 3-ring pistons are made of A332 aluminum and heat treated to a T-6 spec. They have a 5/64" first and second ring groove and the oil groove is 3/16".

    Sets include wristpins and locks. Rings sold separately.

  • Flathead Ford Aluminum 3-Ring Pistons, 4.125 Stroke, 3.375 Bore
    Flathead Ford Aluminum 3-Ring Pistons, 4.125 Stroke, 3.375 Bore
    x
                

    These flathead Ford 3-ring pistons are made of A332 aluminum and heat treated to a T-6 spec. They have a 5/64" first and second ring groove and the oil groove is 3/16".

    Sets include wristpins and locks. Rings sold separately.

  • Flathead Ford Aluminum 3-Ring Pistons, 4.125 Stroke, 3.3125 Bore
    Flathead Ford Aluminum 3-Ring Pistons, 4.125 Stroke, 3.3125 Bore
    x
                

    These flathead Ford 3-ring pistons are made of A332 aluminum and heat treated to a T-6 spec. They have a 5/64" first and second ring groove and the oil groove is 3/16". 

    Includes wristpins and locks. Rings sold separately. 

  • 1939-53 Flathead Ford V8 4-Ring Pistons, 4 Inch Stroke, .060 Over
    1939-53 Flathead Ford V8 4-Ring Pistons, 4 Inch Stroke, .060 Over
    x
                

    Original flathead pistons used four rings, were somewhat round, had questionable wrist pins and locks and were made of cast iron. These pressure-cast aluminum pistons share the four-ring design, but are cam ground and use modern steel wrist pins and real snap rings. They’re a great upgrade when rebuilding your 1939-1953 flathead Ford or Mercury V8 engine.

    • Original 4-ring design
    • Pressure cast aluminum construction provides great strength and durability
    • Precision cam ground
    • Modern steel wrist pins
    • Snap ring style retainer clips

    Sizing based on original 3.188" bore. Fits .060" overbore size and 4" stroke crank. Sold as a set of 8.

  • 1939-53 Flathead Ford V8 4-Ring Pistons, 3-3/4 Stroke, .060 Over
    1939-53 Flathead Ford V8 4-Ring Pistons, 3-3/4 Stroke, .060 Over
    x
                

    Original flathead pistons used four rings, were somewhat round, had questionable wrist pins and locks and were made of cast iron. These pressure-cast aluminum pistons share the four-ring design, but are cam ground and use modern steel wrist pins and real snap rings. They’re a great upgrade when rebuilding your 1939-1953 flathead Ford or Mercury V8 engine.

    Sizing based on original 3.188" bore. Fits .060" overbore size and 3.75" stroke crank. Sold as a set of 8.

    • Original 4-ring design
    • Pressure cast aluminum construction provides great strength and durability
    • Precision cam ground
    • Modern steel wrist pins
    • Snap ring style retainer clips
  • 1939-53 Flathead Ford V8 4-Ring Pistons, 4 Inch Stroke, .125 Over
    1939-53 Flathead Ford V8 4-Ring Pistons, 4 Inch Stroke, .125 Over
    x
                

    Original flathead pistons used four rings, were somewhat round, had questionable wrist pins and locks and were made of cast iron. These pressure-cast aluminum pistons share the four-ring design, but are cam ground and use modern steel wrist pins and real snap rings. They’re a great upgrade when rebuilding your 1939-1953 flathead Ford or Mercury V8 engine.

    • Original 4-ring design
    • Pressure cast aluminum construction provides great strength and durability
    • Precision cam ground
    • Modern steel wrist pins
    • Snap ring style retainer clips

    Sizing based on original 3.188" bore. Fits .125" overbore size and 4" stroke crank. Sold as a set of 8.

  • 1939-53 Flathead Ford V8 4-Ring Pistons, 3-3/4 Stroke, .125 Over
    1939-53 Flathead Ford V8 4-Ring Pistons, 3-3/4 Stroke, .125 Over
    x
                

    Original flathead pistons used four rings, were somewhat round, had questionable wrist pins and locks and were made of cast iron. These pressure-cast aluminum pistons share the four-ring design, but are cam ground and use modern steel wrist pins and real snap rings. They’re a great upgrade when rebuilding your 1939-1953 flathead Ford or Mercury V8 engine.

    • Original 4-ring design
    • Pressure cast aluminum construction provides great strength and durability
    • Precision cam ground
    • Modern steel wrist pins
    • Snap ring style retainer clips

    Sizing based on original 3.188" bore. Fits .125" overbore size and 3.75" stroke crank. Sold as a set of 8.

  • Garage Sale - Arias Forged Pistons, 4.25" Stroke
    Garage Sale
    Garage Sale - Arias Forged Pistons, 4.25" Stroke
    x
                

    If you are going to spend the time and money to build the flathead of your dreams, you just as well spring for Arias forged pistons. Arias forgings work great with nitrous and up to 10 psi on blown engines. They come as a set of eight and include wrist pins, locks and piston rings. They are a three ring design and work with the stock 7" rod length. Stock flathead bore size was 3.188"

    Each piston set includes:

    • (8) Forged Aluminum Pistons
    • (8) Wrist Pins w/ Locks
    • (8) Cast Ring Sets
     

    This is garage sale priced because it has been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS  
  • Garage Sale - Arias Flathead Pistons - 4.125
    Garage Sale
    Garage Sale - Arias Flathead Pistons - 4.125
    x
                

    If you are going to spend the time and money to build the flathead of your dreams, you just as well spring for Arias forged pistons. Arias forgings work great with nitrous and up to 10 psi on blown engines. They come as a set of eight and include wrist pins and locks.. They are a three ring design and work with the stock 7" rod length. Stock flathead bore size was 3.188"

    Each piston set includes:

    • (8) Forged Aluminum Pistons
    • (8) Wrist Pins w/ Locks
    This is Garage Sale priced because it does not include piston rings.
     
    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS    
  • Garage Sale - Flathead Ford Custom 4 Ring Pistons, 3-3/4Inch Stroke
    Garage Sale
    Garage Sale - Flathead Ford Custom 4 Ring Pistons, 3-3/4Inch Stroke
    x
                

    Original Flathead pistons used four rings, were somewhat round, had questionable wrist pins and locks and were made of cast iron. These pressure-cast aluminum pistons share the four-ring design, but are cam ground and use modern steel wrist pins and real snap rings.

    • Pressure cast aluminum construction provides great strength and durability
    • Precision cam ground
    • Modern steel wrist pins
    • Snap ring style retainer clips
    • Four-ring design

    These pistons are garage sale priced because a few of them are scratched and are missing two snap rings..

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

     

  • Garage Sale - 1939-53 Flathead Ford V8 4-Ring Pistons, 4 Inch Stroke, .125 Over
    Garage Sale
    Garage Sale - 1939-53 Flathead Ford V8 4-Ring Pistons, 4 Inch Stroke, .125 Over
    x
                Please view the product's page for more information
            
  • Garage Sale - Flathead Ford Aluminum 3 Ring Piston
    Garage Sale
    Garage Sale - Flathead Ford Aluminum 3 Ring Piston
    x
                

    These Flathead Ford 3-ring pistons are made of A332 aluminum and heat treated to a T-6 spec. They have a 5/64" first and second ring groove and the oil groove is 3/16". 

    Rings sold separately.  

     

    This item is garage sale priced because it is missing two snap rings.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - Hypermax Flathead 3-Ring Pistons, 3.75 Stroke, 3.376 Bore
    Garage Sale
    Garage Sale - Hypermax Flathead 3-Ring Pistons, 3.75 Stroke, 3.376 Bore
    x
                These hypereutectic pistons and rings will give your flathead the most modern, low-drag combination ever offered for a flathead. This is the same piston design used in new cars and uses the T4 heat treating process that has unparalleled low drag and wear. Standard bore is 3.188".

    Must use Style F rings listed.

    This item is garage sale priced because it has been discontinued from our current product line.

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Garage Sale - Hypermax Flathead 3-Ring Pistons, 3.75 Stroke, 3.307 Bore
    Garage Sale
    Garage Sale - Hypermax Flathead 3-Ring Pistons, 3.75 Stroke, 3.307 Bore
    x
                These hypereutectic pistons and rings will give your flathead the most modern, low-drag combination ever offered for a flathead. This is the same piston design used in new cars and uses the T4 heat treating process that has unparalleled low drag and wear. Standard bore is 3.188".

    Must use Style F rings listed.

    This item is garage sale priced because it has been discontinued from our current product line.

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS