Performance Parts and Racing Parts Campbell Enterprises

Wiseco 6.1 Hemi Pistons

Wiseco Chrysler Dodge 6.1 Hemi Piston and Ring Sets

Wiseco 6.1 Hemi pistons are superior high strength forged pistons and are ideal for use in high performance or racing Chrysler and Dodge 6.1L Hemi engines.

Stock OEM Chrysler Dodge 6.1L Hemi Engine Specs for Reference:

  • 6.1L 370 cubic inches stock bore size is 4.055 and stock stroke is 3.580
  • 6.1 using a 4.080 long stroker crank and stock bore produces 421.5 cubic inches. A 6.1 stroker engine using the 4.08 stroke crank, and a .025 oversize produces 426 cubic inches. This combination is often referred to as the modern 426 Hemi due to the popularity of the original Chrysler 426 Hemi name.
  • 6.243 stock connecting rod length
  • .984 stock piston pin diameter (Note: The Wiseco pistons on this page require the use of the matching K1 connecting rods as these pistons use either a .927 or .866 diameter wrist pin.)
  • Stock engine block deck height is 9.250 inches

Dodge and Chrysler 6.1 Hemi Pistons

Wiseco High Performance Chrysler Dodge 6.1L Hemi Piston Features

  • Forged pistons made from high strength 2618 Alloy. Will not shatter like hypereutectic or cast pistons.
  • Strong, strutted skirt is specially designed to run at as little as .004” clearance, with excellent skirt wear and minimal noise or rock.
  • Radiused Valve Pockets for detonation resistance and increased flow around valves.
  • Anti-detonation Grooves help keep the top ring groove free of carbon.
  • 1.2mm Nitride steel top ring, 1.2mm Napier 2nd, and Nitride 3mm oil for reduced friction for more horsepower.
  • Pressure Groove for enhanced ring seal.
  • Features Chrome Moly Pins and Spirolox®. (Tool steel pins optional.)
  • Brush domes require minimal de burring by the engine builder.
  • Wiseco ArmorGlideTM skirt coated for lower friction, reduced noise, and superior life.

Explanation of Wiseco 6.1 Hemi piston specs listed below:

  • Wiseco 6.1 hemi forged pistonBore = 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
  • CH = Compression Height, also known as compression distance. 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 2.250" long
  • CCs = cc displacement in total of the valve reliefs, and any dish or dome
  • Compression Ratio = static compression ratio comparison of piston when used with different volume cylinder head chambers. Stock 6.1 Hemi heads have a 73cc chamber. 2009 and newer 5.7L heads have a 65cc chamber and are a popular swap for builders wanting a smaller chamber size.
  • Piston Ring Set = part number for a complete engine set of plasma moly file fit piston rings, ring widths are 1.2mm, 1.2mm, 3mm. The rings listed here are for use with the Wiseco pistons listed beside them.
  • Piston and Ring Set = part number for a complete set of 8 forged pistons, piston pins, spiro locks and piston rings
Bore Stroke Rod CH Wt Pin CCs Compression Ratio Replacement Piston Ring Set Piston and Ring Set
65cc 73cc
4.060 .005 over 3.580 6.243 1.205 449 .927 -15 9.6 9.0 4062GFX -8
$276.56 $193.59

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K472X05

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4.080 .025 over 3.580 6.243 1.205 456 .927 -15 9.6 9.0 4082GFX -8
$276.56 $193.59

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K472X25

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4.060 .005 over 3.580 6.243 1.205 445 .927 +4 11.6 11.0 4062GFX -8
$276.56 $193.59

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K471X05

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4.080 .025 over 3.580 6.243 1.205 452 .927 +4 11.6 11.0 4082GFX -8
$276.56 $193.59

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K471X25

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6.1 Hemi 426 Stroker Pistons for use with 4.080 Stroker Crank and Stroker Rods

4.060 .005 over 4.080 6.125 1.080 435 .866 -28 9.5 8.8 4062GFX -8
$276.56 $193.59

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K470X05

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4.080 .025 over 4.080 6.125 1.080 440 .866 -28 9.5 8.8 4082GFX -8
$276.56 $193.59

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K470X25

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4.060 .005 over 4.080 6.125 1.080 435 .866 -13 11 10 4062GFX -8
$276.56 $193.59

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K0037X05

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4.080 .025 over 4.080 6.125 1.080 440 .866 -13 11 10 4082GFX -8
$276.56 $193.59

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K0037X25

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4.060 .005 over 4.080 6.125 1.080 423 .866 -6.5 11.6 10.7 4062GFX -8
$276.56 $193.59

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K469X05

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4.080 .025 over 4.080 6.125 1.080 429 .866 -6.5 11.6 10.7 4082GFX -8
$276.56 $193.59

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K469X25

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Even more 6.1 Hemi Piston Sets are Available

We also sell Chrysler and Dodge 6.1 Hemi performance pistons made by several other manufacturers such as CP, 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 6.1 Hemi Pistons

If you do not see a set of pistons on this page that meet your requirements, we also sell custom forged pistons. Please contact us if you would like to discuss a custom set and we will be happy to work with you to insure you get pistons with the custom specs you need.

 

Wiseco K1 Connecting Rods 6.1 Hemi Rods and 6.1L Hemi Stroker Rods

6.1 Hemi Connecting Rod

 

K1 Technologies Mopar 6.1 Hemi connecting rods are 4340 steel H beam billet rods for superior strength and durability and are bronze bushed for use with full floating piston pins. With K1 you get a top quality, high performance racing rod set, for not much more than lesser quality aftermarket rods, or rebuilt stock rods.

  • C-C = center to center length in inches
  • Wt. = Weight in grams
Description c-c pin size rod journal housing bore Wt Part #
6.1 Hemi stock length 6.243 rods with 7/16 ARP2000 cap screws, .927 pin stock 6.243 .927 stock 2.125 stock 2.250 622

k1 dh6243anlb8-a


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Special 6.125 length light weight rods with 3/8 ARP2000 cap screws, 2.000 journal, .866 pin. Designed to be used with stroker cranks using a 2.00 inch rod journal and pistons using a .866 diameter pin and requiring a 6.125 inch long rod

6.125 .866 2.000 2.150 606

k1 dh6125ahgb8 -a


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6.1 Hemi Connecting Rod Bearings

6.1 hemi rod bearing

Clevite 77 High Performance 6.1 Hemi rod bearings Part number and price shown is for 1 complete bearing ( 2 half shells ). Be sure to order the quantity you need (8 for a complete set) Quantity to order can be adjusted by using "view cart" at the top of any page on our site, once the item is added to the cart.

For use with stock size 6.1 Hemi rod journal measuring 2.125 inches

Clevite CB1808HN

$13.95 $13.53

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For use with stroker crank and rods using 2.000 inch journal size

Clevite CB745HN

$12.30 $11.93

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K1 Technologies Chrysler Dodge 6.1 Hemi Stroker Crank

If you want to build your modern 6.1 into a light weight small block 426 Hemi, the crank, rods and piston sets listed on this page will give you high performance parts you need to do so.

K1 Technologies 6.1 Hemi Stroker Crankshaft features and dimensions:

  • 4340 forged steel
  • Core hardened
  • Nitrided
  • Mag-Particle Inspected
  • Straight oil holes for best rod journal lubrication
  • Stock 6.1L Hemi main journal size of 2.559 in.
  • 6 bolt Chrysler rear flange
  • Wt = weight in pounds
  • We recommend using the matching K1 rods listed above with this crank
  • This crank uses the 4 bolt reluctor attachment pattern which is the stock 6.1 pattern. No reluctor gear is included with the crankshaft. If you need a reluctor gear, it is listed separately below.
Description Stroke Rod Pin Wt Part #
SB Chrysler Hemi Custom 4340 Forged Crank 4.080 Stroke 2.000 rod journal 4.080 2.000 56

k1 345-4080SA6F

$815.52 $766.59

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Chrysler Dodge 6.1 Hemi Main Bearings

High Performance 6.1 Hemi main bearings

Clevite 77 High Performance 6.1L main bearing set for high performance or racing use. This is a complete set of 5 main bearings in standard size. Can be used with stock or aftermarket cranks which use the stock main journal size.

Clevite MS2220H

$133.95 $129.93

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6.1 Stroker Hemi Rod Bearings

High Performance 6.1 Hemi Rod Bearings

Clevite 77 High Performance bearings for use with this stroker crank which uses a 2.00 inch diameter rod journal. Part number and price shown is for 1 complete bearing ( 2 half shells ). Be sure to order the quantity you need (8 for a complete set) Quantity to order can be adjusted by using "view cart" at the top of any page on our site, once the item is added to the cart.

Clevite CB745HN

$12.30 $11.93

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Molnar 5.7 6.1 6.4 hemi reluctor ring

For use with Molnar Technologies Gen3 Hemi Crankshafts

Description Part #

This reluctor gear is the correct one to use with Molnar Technologies Gen 3 Hemi stroker cranks in engines requiring a 32 tooth reluctor. It uses a 4 bolt attachment which is the same as the OEM Chrysler 6.1 crankshaft. The 2003 - 2008 5.7 and 6.1 used the 32 tooth wheel.

MRR-32
$120.99 $104.50

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If you have a 2009 or newer Gen3 Hemi with a 58 tooth reluctor, this is the correct gear for you. (NOTE: Some people count the teeth on the 2009 and later as 60, but difference is only in how people count the large teeth, so even though some people say 58 and some 60, they are both the same reluctor) MRR-60
$120.99 $104.50

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2013 and Newer:

Chrysler / Dodge changed the OEM reluctor and engine management system in 2013. If you are working with a 2013 or newer vehicle then this is the proper 58 tooth reluctor to use.

MRR-6013
$120.99 $104.50

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Wiseco Pistons Online Catalog

Return to Top Wiseco 6.1 Hemi Pistons Page

 

 

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