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Ford 427 Pistons Diamond FE 427 Ford Pistons Mercury 427 Pistons 427 Piston Rings

Ford 427 Pistons Diamond Pistons Logo image

Premium Diamond forged FE Ford 427 pistons are available in many different bore sizes, compression ratios and crank stroke lengths for FE 427 Ford engines. We sell these 427 pistons to fit both stock stroke and Ford and Mercury 427 stroker engines. We have 3 different cylinder bore over sizes available. We sell flat top, dish top, dome top and custom pistons. We also have available plasma moly file fit Ford 427 piston rings.

These Diamond FE Ford 427 pistons are all high strength 4032 aluminum forged pistons which can be used with small nitrous kits. They offer great strength and durability as well as being light weight. These Mercury 427 and Ford 427 pistons provide improved engine performance and durability. They are far stronger than stock type cast or aftermarket hypereutectic pistons.

Diamond FE Ford 427 pistons provide reduced friction, better piston ring sealing, faster acceleration, more horsepower and torque and greatly improved strength. These pistons are great for any high performance or racing FE Ford 427 engine powered vehicle. They are equally at home in a restored muscle car or in a high performance street, strip or race engine. We distribute the entire line of Diamond forged 427 Ford pistons at great discount prices and we are happy to provide technical help if you need assistance.

STOCK ORIGINAL FE SERIES FORD 427 SPECS for REFERENCE:

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

DIAMOND FLAT TOP FE FORD 427 PISTONS

Forged Stock Stroke and Stroker 427 Ford Pistons Mercury 427 Pistons and 427 Piston Rings

  • Diamond Ford FE 427 Ford 427 Pistons and 427 Piston Rings imageWill work with OEM Cast Iron FE cylinder heads MR, HR, and TP, DOVE and 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 427 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"
  • Piston 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 427 Piston Set
88cc 82cc 76cc
4.25 3.784 6.49 1.775 620 .975 x 2.930 -6.0cc 9.1 9.6 10.1

41501

4.25 3.984 6.49 1.675 573 .975 x 2.930 -6.0cc 9.5 10 10.6

41505

4.25 3.784 6.49 1.775 597 .990 x 2.930 -6.0cc 9.1 9.6 10.1

41510

4.25 3.984 6.49 1.675 call .990 x 2.930 -6.0cc 9.5 10 10.6

41514

4.25 4.125 6.7 1.392 542 .990 x 2.930 -6.0cc 9.8 10.3 10.9

41520

4.25 4.25 6.7 1.33 513 .990 x 2.930 -6.0cc 10.1 10.6 11.2

41530

4.27 3.784 6.49 1.775 607 .975 x 2.930 -6.0cc 9.1 9.6 10.1

41502

4.27 3.984 6.49 1.675 call .975 x 2.930 -6.0cc 9.6 10.1 10.6

41506

4.27 3.784 6.49 1.775 605 .990 x 2.930 -6.0cc 9.1 9.6 10.1

41511

4.27 3.984 6.49 1.675 call .990 x 2.930 -6.0cc 9.6 10.1 10.6

41515

4.27 4.125 6.7 1.392 539 .990 x 2.930 -6.0cc 9.9 10.4 11

41521

4.27 4.25 6.7 1.33 522 .990 x 2.930 -6.0cc 10.2 10.7 11.3

41531

4.28 3.784 6.49 1.775 616 .975 x 2.930 -6.0cc 9.2 9.7 10.2

41503

4.28 3.984 6.49 1.675 call .975 x 2.930 -6.0cc 9.6 10.1 10.7

41507

4.28 3.784 6.49 1.775 614 .990 x 2.930 -6.0cc 9.2 9.7 10.2

41512

4.28 3.984 6.49 1.675 call .990 x 2.930 -6.0cc 9.6 10.1 10.7

41516

4.28 4.125 6.7 1.392 545 .990 x 2.930 -6.0cc 10 10.5 11.1

41522

4.28 4.25 6.7 1.33 525 .990 x 2.930 -6.0cc 10.2 10.8 11.4

41532

 

DIAMOND FORGED DISH TOP FE 427 FORD PISTONS

Stock Stroke and Stroker 427 Mercury and Ford 427 Pistons and 427 Piston Rings

  • Dish Top FE 427 Ford PistonsWill work with OEM Cast Iron FE cylinder heads MR, HR, and TP, DOVE and 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 427 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"
  • Piston 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 427 Piston Set
88cc 82cc 76cc
4.25 3.984 6.49 1.675 call .975 x 2.930 -11.0cc 9.1 9.6 10.1

42501

4.25 3.984 6.49 1.675 call .990 x 2.930 -11.0cc 9.1 9.6 10.1

42502

4.25 4.125 6.7 1.392 520 .990 x 2.930 -14.0cc 9.2 9.6 10.1

42510

4.25 4.25 6.7 1.33 491 .990 x 2.930 -17.0cc 9.2 9.7 10.2

42520

4.27 3.984 6.49 1.675 call .975 x 2.930 -11.0cc 9.2 9.7 10.2

42503

4.27 3.984 6.49 1.675 call .990 x 2.930 -11.0cc 9.2 9.7 10.2

42504

4.27 4.125 6.7 1.392 538 .990 x 2.930 -14.0cc 9.3 9.7 10.2

42511

4.27 4.25 6.7 1.33 520 .990 x 2.930 -17.0cc 9.3 9.8 10.3

42521

4.28 3.984 6.49 1.675 call .975 x 2.930 -11.0cc 9.2 9.7 10.2

42505

4.28 3.984 6.49 1.675 call .990 x 2.930 -11.0cc 9.2 9.7 10.2

42506

4.28 4.125 6.7 1.392 544 .990 x 2.930 -14.0cc 9.3 9.8 10.3

42512

4.28 4.25 6.7 1.33 510 .990 x 2.930 -17.0cc 9.4 9.8 10.3

42522

 

DIAMOND FORD 427 DOME TOP PISTONS

Forged Stock Stroke dome top replacement 427 Ford Pistons

  • Diamond Ford FE 427 Ford 427 Dome Pistons 427 Replacement piston imageDesigned to fit OEM Medium Riser, High Riser, Shelby Aluminum, Dove Aluminum, and Edelbrock 60079 cylinder heads
  • Pistons made of 4032 alloy
  • Top ring is down .275" from top of piston
  • Valve relief depths, dual symmetric, .225" deep
  • Premium 8620 steel wrist pins
  • 1/16 x 1/16 x 3/16 ring grooves
  • Valve relief depth is .225

 
Bore Stroke Rod C.D. Wt Pin CC’s Compression Ratio 427 Piston Set
88cc 82cc 76cc
4.25 3.784 6.49 1.775 call .975 x 2.930 + 5.0cc 10.0 10.6 11.2

43501

 

DIAMOND DOME TOP FORD 427 SOHC PISTONS

Forged Stock Stroke and Stroker Dome Top SOHC 427 Cammer Pistons

  • Diamond Ford 427 SOHC piston imageDesigned to fit OEM 427 SOHC Hemi Engines
  • Pistons made of 2618 alloy
  • Premium 8620 steel wrist pins
  • Valve relief depths, .301 intake and .142 exhaust
  • 1/16 x 1/16 x 3/16 ring grooves
  • Set number 43002 includes oil ring support rails
  • More bore sizes available for $50 more per set, please contact us for assistance if you need a different bore size and we will be happy to help.
Bore Stroke Rod C.D. Wt Pin CC’s CR w/ 98cc 427 Piston Set
4.25 3.784 6.490 1.775 call .975 x 2.930 + 44cc 10.8-1

43000

4.25 3.984 6.490 1.675 call .975 x 2.930 + 39cc 10.8-1

43001

4.25 4.250 6.700 1.330 call .990 x 2.930 + 33cc 10.8-1

43002

More 427 Ford Piston Sets

We also sell 427 pistons made by several other manufacturers such as Ross, KB, Icon and more. If you want to check on other piston options, you may use the below links or contact us for assistance. We are constantly working with the major piston manufacturers to provide the best selection possible. We may have the piston set you need available, even though it is not listed on our website.

 

Custom FE Ford 427 Pistons

If you do not see a set of 427 Mercury or Ford 427 pistons on this page that meet your requirements, we also sell forged custom Ford 427 pistons. Please contact us if you would like to discuss a set of custom 427 pistons.

 

Return to Top Ford 427 Pistons Page

Helpful FE Ford 427 Engine Specs and Info

 

 

 

 

 

 

 

 

 

 

 

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