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KB Chrysler Dodge Plymouth Mopar 360 Pistons

Keith Black 360 Pistons

KB Hypereutectic 360 Pistons

One of the most popular items in our line up of 360 performance parts are replacement pistons and rings. High performance KB Chrysler Plymouth Dodge 360 pistons offer a significant performance improvement for your engine, at a very affordable price. We have these piston sets available in a wide range of sizes including standard bore and many popular oversizes. Also included are 360 stroker pistons that are used with a 4 inch stroker crank to build a 360 into a 408 cubic inch engine.

If you are rebuilding a Chrysler, Plymouth, Mopar, Dodge 360 small block engine and are looking for improved performance, without the higher cost of forged pistons, KB performance pistons are an excellent alternative for many street, muscle car restoration, cruising and street / strip applications.

Chrysler 5.9 360 Small Block Engine Specs

For reference the original stock specifications were:

  • Engine block deck height 9.599 inches
  • Cylinder bore standard size 4.000 inches
  • Crankshaft stock stroke 3.580
  • Connecting rod length 6.123 inches
  • Wrist pin diameter 0.984

We do not recommend hypereutectic pistons for use with superchargers, turbochargers, nitrous systems or for serious racing engines. For those applications we strongly recommend forged pistons. Our complete piston index list for stock replacement, cast, hypereutectic and forged pistons is available here: CE Engine Pistons Index

Keith Black Chrysler 360 Piston Features:

  • Hypereutectic 390 Alloy
  • Fully machined head and valve reliefs
  • Accumulator groove to aid with compression ring seal
  • Diamond finished skirts
  • CNC machined pin bores to insure straight and accurately sized bores

KB 360 Pistons for use in Chrysler Dodge Plymouth Mopar 360 Engines

  • Stroke These pistons are for use with a 3.580 inch stock stroke Chrysler 360 crank, OEM or aftermarket
  • Connecting Rod Length 6.123 inch
  • Wrist Pin Size 0.9842 inch diameter
  • Ring grooves are 5/64 5/64 3/16
  • CH Compression Height This is the measurement from the centerline of the piston pin bore to the top flat part of the piston
  • Wt Piston weight in grams followed by wrist pin weight in grams
  • ccs displacement of dome, or dish, and valve reliefs, measured in ccs
  • CR Compression ratio estimates based on a .030 oversize, -.041 deck clearance and .020 compressed head gasket
  • Bore Size Finished cylinder bore size, in inches, that piston is designed for

What is Included?

  • Piston set includes 8 pistons, 8 wrist pins and locks
  • Piston and ring kit includes 1 Complete engine piston set and 1 piston ring set

Chrysler 360 Step Dish Top Pistons

KB232 360 Small Block Piston

KB232

NOTES: Centered pin. Piston may protrude on 1992 and up Magnum truck blocks. Elevated Quench Dome .050" tall. Max connecting rod pin end width 1.000"

CH Wt ccs CR with head chamber of: Bore Size Piston Set Piston and Ring Kit
62cc 64cc 68cc 72cc
1.675 560 / 132 -18 9.5 9.3 8.9 8.6 4.000 standard KB232

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KB232 KTM

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4.020 + .020 over KB232 20

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KB232 KTM20

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4.030 + .030 over KB232 30

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KB232 KTM30

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4.040 + .040 over KB232 40

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KB232 KTM40

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4.060 + .060 over KB232 60

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KB232 KTM60

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Mopar 360 Flat Top

KB107 360 Piston

KB107

NOTES: Centered pin. Piston may protrude on 1992 and up Magnum truck blocks. *.070 oversize can be used in a .030 oversize 340 block with a 360 crank.

CH Wt ccs CR with head camber of: Bore Size Piston Set Piston and Ring Kit
62cc 64cc 68cc 72cc
1.675 502 / 132 -5 10.9 10.7 10.2 9.8 4.00 standard KB107

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KB107 KTM

Add To Cart
4.020 + .020 over KB107 20

Add To Cart
KB107 KTM20

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4.030 + .030 over KB107 30

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KB107 KTM30

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4.040 + .040 over KB107 40

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KB107 KTM40

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4.060 + .060 over KB107 60

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KB107 KTM60

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*4.070 + .070 over KB107 70

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KB107 KTM70

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Chrysler 360 Quench Head

KB373 Dodge 360 Pistons

KB373

NOTES: Centered pin. Piston may protrude on 1992 & up Magnum truck blocks. Quench dome elevated .085". Machining required to achieve optimum quench. Will not work with Magnum or Edelbrock closed chamber heads.

*.070 oversize can be used in a .030 oversize 340 block with a 360 crank.

CH Wt ccs CR with head camber of: Bore Size Piston Set Piston and Ring Kit
62cc 64cc 68cc 72cc
1.675 512 / 132 -2.8 11.2 11.0 10.5 10.0 4.00 standard KB373

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KB373 KTM

Add To Cart
4.020 + .020 over KB373 20

Add To Cart
KB373 KTM20

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4.030 + .030 over KB373 30

Add To Cart
KB373 KTM30

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4.040 + .040 over KB373 40

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KB373 KTM40

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4.060 + .060 over KB373 60

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KB373 KTM60

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4.070 + .070 over KB373 70

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KB373 KTM70

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Mopar 360 Dome

KB190 Mopar 360 Piston

KB190

NOTES: Centered pin. Piston may protrude on 1992 and up Magnum truck blocks.

CH Wt ccs CR with head camber of: Bore Size Piston Set Piston and Ring Kit
62cc 64cc 68cc 72cc
1.675 529 / 132 +1.2 11.8 11.5 10.9 10.5 4.00 standard KB190

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KB190 KTM

Add To Cart
4.020 + .020 over KB190 20

Add To Cart
KB190 KTM20

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4.030 + .030 over KB190 30

Add To Cart
KB190 KTM30

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4.040 + .040 over KB190 40

Add To Cart
KB190 KTM40

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4.060 + .060 over KB190 60

Add To Cart
KB190 KTM60

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KB191 360 Piston

KB191

NOTES: Centered pin. Piston may protrude on 1992 and up Magnum truck blocks.

CH Wt ccs CR with head camber of: Bore Size Piston Set Piston and Ring Kit
62cc 64cc 68cc 72cc
1.675 555 / 132 +11.2 13.6 13.2 12.5 11.8 4.00 standard KB191

Add To Cart
KB191 KTM

Add To Cart
4.020 + .020 over KB191 20

Add To Cart
KB191 KTM20

Add To Cart
4.030 + .030 over KB191 30

Add To Cart
KB191 KTM30

Add To Cart
4.040 + .040 over KB191 40

Add To Cart
KB191 KTM40

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4.060 + .060 over KB191 60

Add To Cart
KB191 KTM60

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360 Stroker Pistons

  • Stroke These pistons are for use with an aftermarket 4.000 inch long stroker crank
  • Connecting Rod Length 6.123 inch
  • Wrist Pin Size 0.9842 inch diameter
  • Ring grooves are 5/64 5/64 3/16
  • CH Compression Height This is the measurement from the centerline of the piston pin bore to the top flat part of the piston
  • Wt Piston weight in grams followed by wrist pin weight in grams
  • ccs displacement of dome, or dish, and valve reliefs, measured in ccs
  • CR Compression ratio estimates based on a .030 oversize, -.041 deck clearance and .020 compressed head gasket
  • Bore Size Finished cylinder bore size, in inches, that piston is designed for

What is Included?

  • Piston set includes 8 pistons, 8 wrist pins and locks
  • Piston and ring kit includes 1 Complete engine piston set and 1 piston ring set

360 408 Dish Top with 4.000 inch long 360 Stroker Crank

KB356 360 Stroker Piston

KB356

NOTES: Centered pin. Max connecting rod pin end width 1.000".

Use with open chamber heads, has an elevated .085" quench dome.

CH Wt ccs CR with head camber of: Bore Size Piston Set Piston and Ring Set
62cc 64cc 68cc 72cc
1.465 483 / 132 -23.5 9.9 9.7 9.4 9.0 4.00 standard KB356

Add To Cart
KB356 KTM

Add To Cart
4.020 + .020 over KB356 20

Add To Cart
KB356 KTM20

Add To Cart
4.030 + .030 over KB356 30

Add To Cart
KB356 KTM30

Add To Cart
4.040 + .040 over KB356 40

Add To Cart
KB356 KTM40

Add To Cart
4.060 + .060 over KB356 60

Add To Cart
KB356 KTM60

Add To Cart
4.070 + .070 over KB356 70

Add To Cart
KB356 KTM70

Add To Cart

 

4.080 + .080 over

 

KB356 80

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KB356 KTM80

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KB416 360 408 Stroker Piston

KB416

NOTES: Centered pin. Max connecting rod pin end width 1.000".

Can be used with closed or open chamber heads, no quench dome.

CH Wt ccs CR with head camber of: Bore Size Piston Set Piston and Ring Set
62cc 64cc 68cc 72cc
1.465 479 / 132 -25 9.8 9.6 9.3 8.9 4.00 standard KB416

Add To Cart
KB416 KTM

Add To Cart
4.020 + .020 over KB416 20

Add To Cart
KB416 KTM20

Add To Cart
4.030 + .030 over KB416 30

Add To Cart
KB416 KTM30

Add To Cart
4.040 + .040 over KB416 40

Add To Cart
KB416 KTM40

Add To Cart
4.060 + .060 over KB416 60

Add To Cart
KB416 KTM60

Add To Cart
4.070 + .070 over KB416 70

Add To Cart
KB416 KTM70

Add To Cart

 

4.080 + .080 over

 

KB416 80

Add To Cart
KB416 KTM80

Add To Cart

Mopar 360 Connecting Rods

While you are replacing your engine pistons it is a good time to also upgrade your rotating assembly by installing modern connecting rods. Why risk damage to your rebuilt performance engine by using old stock connecting rods that have been through who knows what kind of abuse.

With the high cost of machine shop service these days you can often upgrade to far stronger modern rods for not much more than the cost of reconditioning a set of stock rods.

Molnar Technologies H Beam 360 Connecting Rods

molnar 360 h beam connecting rod

Molnar Technologies H Beam rods are machined from billet 4340 steel, and then heat treated to provide improved strength. To make the rods even stronger, they are shot peened to which also increases fatigue life. All Molnar connecting rods are fitted with highly durable premium bronze bushings for use with floating pin type pistons. Each rod set includes ARP fasteners, moly lubricant and installation guidelines.

All Molnar rods are finished in the United States at the Molnar Technologies shop in Michigan. Critical rod dimensions are are held to very precise tolerances of +/- .0001 of an inch, which is the tightest tolerance you will find in the performance and racing aftermarket.

  • Description and Length Engine model that rod is made to for and length of the rod, as measured center to center, in inches.
  • Weight Weight in grams, of one complete connecting rod assembly
  • Bolt Size Bolt dimensions in inches, Rods come with ARP2000 fasteners installed
  • Rod Pin Size Crank rod journal diameter
  • Pin Size Piston pin diameter, in inches
  • BE Width Width of the crankshaft end of one rod
  • PE Width Width of the piston end of one rod
  • Part Number Molnar Technologies rod set part number. Set includes 8 connecting rods
Description and Length Weight Bolt Size Rod Pin Size Pin Size BE Width PE Width Part Number
6.123 Chrysler with .984" Pin 623 7/16 2.125 0.984 0.927 1.03 DH6123TSB8-A

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Eagle SIR 360 I beam connecting rods

Eagle 360 I beam connecting rod

Eagle Specialty Products SIR connecting rods are an economically priced alternative to the time and expense involved in reworking a set of stock OEM rods. SIR connecting rods are forged from 5140 steel and most are available for both pressed fit pin use, or bushed to work with full floating piston pins. ESP I beam SIR Eagle connecting rods utilize ARP bolts and nuts. Eagle SIR rods are economically priced and are often less expensive than having your old stock rods reconditioned.

Length Pin Notes Part Number
6.123" .984 bronze bushed Full floating, stock 5.9L 360 length SIR6123CB
$377.60 $358.72

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