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Ford 390 Pistons Ford 390 FE Pistons Mercury FE 390 Diamond Pistons

Diamond Pistons FE Ford 390 Pistons

Diamond pistons are available in many different sizes to fit a variety of Ford 390 FE engines. We sell these pistons to fit both stock stroke and stroker engines, as well as to fit many different bore sizes and different compression ratios. These Diamond Racing FE Ford 390 pistons are all high strength 4032 forged pistons. They offer great strength as well as light weight. They offer improved engine performance and much greater durability than a stock type cast or aftermarket hypereutectic pistons.

Diamond Big Block FE Ford 390 pistons provide greater strength, reduced friction, better piston ring sealing, faster acceleration, more horsepower and torque in your high performance street, strip or race engine. We offer the entire line of Diamond forged pistons to our customers at great discount pricing and we are happy to provide technical assistance if you need any help.

STOCK ORIGINAL Ford 390 FE ENGINE SPECS for REFERENCE:

  • 4.050 bore size
  • 3.781 crankshaft stroke
  • 6.490 connecting rod length
  • .975 piston pin diameter

DIAMOND FLAT TOP FE FORD 390 PISTONS

Forged Stock Stroke and Stroker Ford 390 Piston Sets

  • Ford FE Flat Top 390 PistonWill work with OEM 390 - 428 FE heads or Edelbrock aluminum FE heads
  • Can be used with small nitrous kits, pistons made of 4032 alloy
  • Top ring is down .275" from top of piston
  • Valve relief depths, dual symmetric, .225" deep

Explanation of Diamond Flat Top Ford 390 piston specs listed below:

  • Bore = Finished cylinder bore size in inches that piston is designed to work in
  • Stroke = Crankshaft stroke in inches that piston is designed to work with
  • Rod = Connecting rod length in inches that piston is made to work with
  • C.D. = Compression Distance, also known as compression height. This is the dimension, in inches, from the centerline of the pin bore to the top deck of the piston
  • Wt = weight in grams of one piston
  • Pin = pin diameter in inches, all pins 2.930" long, premium 8620 material
  • CCs = cc displacement in total of the valve reliefs is -6.0cc
  • Compression Ratio = static compression ratio comparison of piston when used with different volume cylinder head chambers. This is based on using a 10.1cc displacement head gasket and with the piston .011" to .015" below deck at TDC Deck height of 10.170"
  • Ring Set = part number for a complete engine set of plasma moly file fit piston rings, ring grooves are 1/16, 1/16, 3/16
  • Piston Set = part number for a complete set of 8 forged pistons, piston pins and spiro locks

 

Bore Stroke Rod C.D. Wt Pin Compression Ratio Piston Ring Set Piston Set
72cc 70cc 68cc
4.07 3.784 6.49 1.775 580 .975 9.7 10 10.1

09024070

$146.50 $142.11

Add To Cart

41001

$999.00 $969.03

Add To Cart

4.07 3.984 6.49 1.675 558 .975 10.2 10.4 10.6

09024070

$146.50 $142.11

Add To Cart

41005

$999.00 $969.03

Add To Cart

4.07 3.784 6.49 1.775 585 .990 9.7 10 10.1

09024070

$146.50 $142.11

Add To Cart

41010

$999.00 $969.03

Add To Cart

4.07 3.984 6.49 1.675 563 .990 10.2 10.4 10.6

09024070

$146.50 $142.11

Add To Cart

41014

$999.00 $969.03

Add To Cart

4.07 4.125 6.7 1.392 500 .990 10.5 10.7 11

09024070

$146.50 $142.11

Add To Cart

41020

$999.00 $969.03

Add To Cart

4.07 4.25 6.7 1.33 490 .990 10.8 11 11.3

09024070

$146.50 $142.11

Add To Cart

41030

$999.00 $969.03

Add To Cart

4.08 3.784 6.49 1.775 582 .975 9.8 10 10.2

09024080

$156.20 $151.51

Add To Cart

41002

$999.00 $969.03

Add To Cart

4.08 3.984 6.49 1.675 562 .975 10.2 10.4 10.7

09024080

$156.20 $151.51

Add To Cart

41006

$999.00 $969.03

Add To Cart

4.08 3.784 6.49 1.775 587 .990 9.8 10 10.2

09024080

$156.20 $151.51

Add To Cart

41011

$999.00 $969.03

Add To Cart

4.08 3.984 6.49 1.675 567 .990 10.2 10.4 10.7

09024080

$156.20 $151.51

Add To Cart

41015

$999.00 $969.03

Add To Cart

4.08 4.125 6.7 1.392 506 .990 10.6 10.8 11

09024080

$156.20 $151.51

Add To Cart

41021

$999.00 $969.03

Add To Cart

4.08 4.25 6.7 1.33 493 .990 10.9 11.1 11.3

09024080

$156.20 $151.51

Add To Cart

41031

$999.00 $969.03

Add To Cart

4.09 3.784 6.49 1.775 585 .975 9.8 10 10.2

09024090

$146.50 $142.11

Add To Cart

41003

$999.00 $969.03

Add To Cart

4.09 3.984 6.49 1.675 567 .975 10.3 10.5 10.7

09024090

$146.50 $142.11

Add To Cart

41007

$999.00 $969.03

Add To Cart

4.09 3.784 6.49 1.775 560 .990 9.8 10 10.2

09024090

$146.50 $142.11

Add To Cart

41012

$999.00 $969.03

Add To Cart

4.09 3.984 6.49 1.675 572 .990 10.3 10.5 10.7

09024090

$146.50 $142.11

Add To Cart

41016

$999.00 $969.03

Add To Cart

4.09 4.125 6.7 1.392 511 .990 10.6 10.8 11

09024090

$146.50 $142.11

Add To Cart

41022

$999.00 $969.03

Add To Cart

4.09 4.25 6.7 1.33 495 .990 10.9 11.1 11.4

09024090

$146.50 $142.11

Add To Cart

41032

$999.00 $969.03

Add To Cart

4.1 3.784 6.49 1.775 590 .975 9.9 10.1 10.3

09024100

$146.50 $142.11

Add To Cart

41004

$999.00 $969.03

Add To Cart

4.1 3.984 6.49 1.675 570 .975 10.3 10.5 10.7

09024100

$146.50 $142.11

Add To Cart

41008

$999.00 $969.03

Add To Cart

4.1 3.784 6.49 1.775 595 .990 9.9 10.1 10.3

09024100

$146.50 $142.11

Add To Cart

41013

$999.00 $969.03

Add To Cart

4.1 3.984 6.49 1.675 575 .990 10.3 10.5 10.7

09024100

$146.50 $142.11

Add To Cart

41017

$999.00 $969.03

Add To Cart

4.1 4.125 6.7 1.392 516 .990 10.7 10.9 11.1

09024100

$146.50 $142.11

Add To Cart

41023

$999.00 $969.03

Add To Cart

4.1 4.25 6.7 1.33 500 .990 11 11.2 11.4

09024100

$146.50 $142.11

Add To Cart

41033

$999.00 $969.03

Add To Cart

 

 

DIAMOND FORGED DISH TOP FE 390 FORD PISTONS

Stock Stroke and Stroker 390 Ford Piston Sets

  • Dish Top FE Ford 390 PistonWill work with OEM 390 - 428 FE heads or Edelbrock aluminum FE heads
  • Can be used with small nitrous kits, pistons made of 4032 alloy
  • Top ring is down .275" from top of piston
  • Valve relief depths, dual symmetric, .225" deep

Explanation of Diamond Dish Top Ford FE 390 Ford piston specs listed below:

  • Bore = Finished cylinder bore size in inches that piston is designed to work in
  • Stroke = Crankshaft stroke in inches that piston is designed to work with
  • Rod = Connecting rod length in inches that piston is made to work with
  • C.D. = Compression Distance, also known as compression height. This is the dimension, in inches, from the centerline of the pin bore to the top deck of the piston
  • Wt = weight in grams of one piston
  • Pin = pin diameter in inches, all pins 2.930" long, premium 8620 material
  • CCs = cc displacement in total of the dish top, including valve reliefs
  • Compression Ratio = static compression ratio comparison of piston when used with different volume cylinder head chambers. This is based on using a 10.1cc displacement head gasket and with the piston .011" to .015" below deck at TDC Deck height of 10.170"
  • Ring Set = part number for a complete engine set of plasma moly file fit piston rings, ring grooves are 1/16, 1/16, 3/16
  • Piston Set = part number for a complete set of 8 forged pistons, piston pins and spiro locks
Bore Stroke Rod C.D. Wt Pin CC’s Compression Ratio Piston Ring Set Piston Set
72cc 70cc 68cc
4.07 3.984 6.49 1.675 571 .975 -11.0cc 9.7 9.9 10.1

09024070

$146.50 $142.11

Add To Cart

42001

$1049.00 $1017.53

Add To Cart

4.07 3.984 6.49 1.675 575 .990 -11.0cc 9.7 9.9 10.1

09024070

$146.50 $142.11

Add To Cart

42002

$1049.00 $1017.53

Add To Cart

4.07 4.125 6.7 1.392 520 .990 -14.0cc 9.8 9.9 10.1

09024070

$146.50 $142.11

Add To Cart

42010

$1049.00 $1017.53

Add To Cart

4.07 4.25 6.7 1.33 506 .990 -17.0cc 9.8 9.9 10.1

09024070

$146.50 $142.11

Add To Cart

42020

$1049.00 $1017.53

Add To Cart

4.08 3.984 6.49 1.675 579 .975 -11.0cc 9.8 10 10.1

09024080

$156.20 $151.51

Add To Cart

42003

$1049.00 $1017.53

Add To Cart

4.08 3.984 6.49 1.675 580 .990 -11.0cc 9.8 10 10.1

09024080

$156.20 $151.51

Add To Cart

42004

$1049.00 $1017.53

Add To Cart

4.08 4.125 6.7 1.392 525 .990 -14.0cc 9.8 10 10.2

09024080

$156.20 $151.51

Add To Cart

42011

$1049.00 $1017.53

Add To Cart

4.08 4.25 6.7 1.33 510 .990 -17.0cc 9.8 10 10.2

09024080

$156.20 $151.51

Add To Cart

42021

$1049.00 $1017.53

Add To Cart

4.09 3.984 6.49 1.675 584 .975 -11.0cc 9.8 10 10.2

09024090

$146.50 $142.11

Add To Cart

42005

$1049.00 $1017.53

Add To Cart

4.09 3.984 6.49 1.675 586 .990 -11.0cc 9.8 10 10.2

09024090

$146.50 $142.11

Add To Cart

42006

$1049.00 $1017.53

Add To Cart

4.09 4.125 6.7 1.392 563 .990 -14.0cc 9.8 10 10.2

09024090

$146.50 $142.11

Add To Cart

42012

$1049.00 $1017.53

Add To Cart

4.09 4.25 6.7 1.33 514 .990 -17.0cc 9.9 10 10.2

09024090

$146.50 $142.11

Add To Cart

42022

$1049.00 $1017.53

Add To Cart

4.1 3.984 6.49 1.675 590 .975 -11.0cc 9.8 10 10.2

09024100

$146.50 $142.11

Add To Cart

42007

$1049.00 $1017.53

Add To Cart

4.1 3.984 6.49 1.675 592 .990 -11.0cc 9.8 10 10.2

09024100

$146.50 $142.11

Add To Cart

42008

$1049.00 $1017.53

Add To Cart

4.1 4.125 6.7 1.392 536 .990 -14.0cc 9.9 10.1 10.3

09024100

$146.50 $142.11

Add To Cart

42013

$1049.00 $1017.53

Add To Cart

4.1 4.25 6.7 1.33 519 .990 -17.0cc 9.9 10.1 10.3

09024100

$146.50 $142.11

Add To Cart

42023

$1049.00 $1017.53

Add To Cart

 

Custom FE Ford 390 Pistons

If you do not see a set of Ford 390 pistons on this page that meet your requirements, we also offer custom forged 390 Ford pistons. Please feel free to contact us if you would like to discuss a set of custom 390 FE pistons.

 

Return to Top Ford 390 Pistons Page

Helpful FE Ford 390 Specs and Info

 

 

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