5.7 Hemi Stroker Kit
Why install a 5.7 Hemi stroker kit? As produced by Chrysler, the Gen 3 5.7 Hemi is a very versitile powerplant, found in everything from high performance cars like the Challenger and Charger to heavy duty work trucks. As hot rodders and racers we are never happy with an engine as delivered from the factory as we know there is always more power available. The 5.7 has many advantages which make it an ideal choice for a performance or racing engine. The Gen 3 Hemis are good basic engines which are light, compact and easy to come by and relatively inexpensive.
One of the best ways to gain significantly more power is to install a 5.7 Hemi stroker kit. We have a wide range of rotating assembly kits available and if you do not see one that meets your exact needs, we are happy to mix and match components to piece together a kit so you can get exactly what you want. On this page you will find stroker kits for the 5.7 Hemi that can be used in restored musclecars, modern high performance cars and trucks, to all out drag racing and other competition vehicles.
If you are building an engine but do not want to purchase a complete stroker kit, we sell all of the 5.7 Hemi performance parts required to complete a rotating assembly separately.
Buy with confidence from Campbell Enterprises. In business since 1989 we offer technical assistance if you need help, dedicated customer service, quick shipping and affordable prices on top quality aftermarket performance parts..
5.7 Hemi Stroker Kit, What is included?
Our 5.7 Hemi stroker engine kits offer a great combination of performance, dependability and affordability. All of our kits are intended for use as an internal balance assembly. Each kit includes:
- 4340 forged steel crank
- 4340 Billet H beam rods with ARP2000 bolts
- Forged pistons
- Premium piston ring set
- High Performance main bearings
- High performance rod bearings
See the specification list for the exact parts included in any particular kit. We use only top premium parts in our kits. If you have any questions about the parts included in a kit please do not hesitate to contact us for clarification. We look forward to assisting you with a Gen 3 stroker kit for 5.7 Hemi.
5.7 Hemi Specs
- 5.7L 345 cubic inches stock bore size is 3.917 and stock stroke is 3.580
- 6.243 stock connecting rod length
- .945 stock piston pin diameter
- Stock engine block deck height is 9.250 inches
Cubic Inch Displacement of 5.7 Hemi Stroker Engines
The kits on this page will provide the following total cubic inch displacements based on these cylinder bore sizes:
- 3.917 = 393.32 cubic inches. This size 5.7 stroker is often referred to as the modern 392 Hemi due to the popularity of the original Chrysler 392 Hemi name.
- 3.927 = 395.33
- 3.937 = 397.35
- 3.947 = 399.37
Campbell Enterprises Select Series Stroker Kits for 5.7 Hemi EnginesThese 5.7 Hemi stroker kits contain various top quality brand parts selected by us to provide superior performance at an affordable price. In addition to the very popular 392 stroker kit for 5.7 hemi we offer the parts needed to build many other displacement size engines. There are many choices of crankshaft strokes and pistons for many cylinder bore sizes so you are not limited to just the 392 cid option. If you are serious about getting large gains in performance from your 5.7 engine, then these kits include the components to help you reach that goal. These kits provide a strong foundation for you to build your engine around.
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5.7 Hemi Stroker Kit | Part Numbers and Specifications |
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| CID | Bore Size | Crankshaft Type & Stroke |
Rod Length and Type | Piston | Compression ratio with cylinder head chamber volume of: | Kit # | ||
| 65cc | 73cc | 85cc | ||||||
| 393 | 3.917 stock | 4340 forged steel 4.080 stroke | 6.125 H-Beam | Wiseco -22cc | 9.5 | 8.9 | 8.0 | 57408WM22XS |
| Wiseco -8cc | 11.0 | 10.1 | 9.0 | 57408WM8XS | ||||
| Wiseco +12cc | 11 | |||||||
| 395 | 3.927 .010 over | 4340 forged steel 4.080 stroke | 6.125 H-Beam |
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| 397 | 3.937 .020 over | 4340 forged steel 4.080 stroke | 6.125 H-Beam | CP -10.3cc | 9.25 | 57408CM10X2 | ||
| CP +5cc | 10.75 | |||||||
| 399 | 3.947 .030 over | 4340 forged steel 4.080 stroke | 6.125 H-Beam | |||||
345 Dodge and Chrysler 5.7 Hemi PistonsWiseco Chrysler Dodge 5.7 Hemi Piston Features
Explanation of Wiseco 5.7 Hemi piston specs listed below:
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| Bore | Stroke | Rod | CH | Wt | Pin | CCs | Compression Ratio | Replacement Piston Ring Set | Piston and Ring Set | ||||
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| 65cc | 73cc | 85cc | |||||||||||
| 3.937 .020 over | 4.080 | 6.125 | 1.080 | .866 | -22 | 9.5 | 8.9 | 8.0 | 10000XX -8
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| 3.917 std | 4.080 | 6.125 | 1.080 | 401 | .866 | -8 | 11.0 | 10.1 | 9.0 | 9950XX -8
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K465XS
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| 3.937 .020 over | 4.080 | 6.125 | 1.080 | 403 | .866 | -8 | 11.0 | 10.1 | 9.0 | 10000XX -8
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K465X2
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| 3.917 std | 4.080 | 6.125 | 1.080 | 423 | .866 | +12 | 11.0 | 9950XX -8
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K468XS
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| 3.937 .020 over | 4.080 | 6.125 | 1.080 | 428 | .866 | +12 | 11.0 | 10000XX -8
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K468X2
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Bore = Finished cylinder bore size in inches that piston is designed to work in
Stroker 5.7 Hemi Pistons CP Bullet Series
Bullet Series 5.7L Hemi Forged Pistons
If you have made the decision to build a 5.7 Hemi stroker, then we suggest you consider the Bullet Series piston and ring sets from CP Carrillo. The Bullet Piston series incorporates
everything that has made CP the industry leader in 5.7 and 6.1 Hemi forged pistons. The Bullet Series modern Dodge hemi stroker pistons were conceived as a
high quality piston set available at a reasonable price. Exhaustive R&D, specifically designed forgings and centralized manufacturing allows CP to succeed at reaching their lofty goal of high quality at affordable prices. More general information is available here: CP Bullet Forged Pistons Index
CP Carrillo 5.7 Hemi Piston and Ring Set Features
- Set of pistons balanced within 1 gram
- 2618 alloy for strength and durability
- Dual forced pin oilers
- Contact reduction grooves
- Accumulator groove
- Forged side relief
- FEA designed forging
- Tight tolerances
- Same manufacturing process as CP Pistons
- Rigorous quality control
- ISO 9000 certified
Contents of 5.7L Hemi and 6.1L Hemi Piston and Ring Sets:
- 8 forged pistons 2618 Alloy
- 8 high quality chrome moly piston pins
- 1 set of piston pin retention wire lock rings
- 1 piston ring set with gas nitrited steel top rings, Napier back cut 2nd rings and soft nitrited oil rings
CP Bullet Pistons for for 5.7 Hemi Specs
We recommend K1 Technologies 5.7 6.1 Hemi Rods and K1 Stroker cranks for use with these piston kits. The rod and crank info is listed below this piston chart.
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| Block / Bore | Stroke / CID | Rod | CD | Head Type | Disp | Comp | Part # | |
5.7 Hemi .020 oversize 3.937 |
4.080 397 ci |
6.125 | 1.095 | 5.7 Hemi | -10.5cc | 8.7 | BH57-925-020
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5.7 Hemi .020 oversize 3.937 |
4.080 397 ci |
6.125 | 1.095 | 5.7 Hemi | +4.6cc | 10 | BH57-1075-020
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5.7 Hemi Stroker Crankshafts
Molnar Technologies is taking the lead in producing several superior quality Gen 3 Hemi crankshafts. These premium 4340 forged steel cranks are for use in the modern EFI Chrysler and Dodge 5.7, 6.1 and 6.4 Hemi engines. These cranks are the ones that we use in the majority of our 5.7 Hemi stroker kit rotating assemblies.
We are proud to be a distributor for the entire Molnar Technologies product line which includes premium cranks and rods for the Gen3 Hemi engines. These gen 3 Hemi cranks are machined from extremely strong 4340 forged steel forgings and held to very tight machining tolerances. They are a great combination of strength and performance at a reasonable price.
Molnar Gen3 Hemi Stroker Kits
If you are looking for all the parts for a complete 5.7L Hemi stroker kit instead of just a crankshaft, you can find all of those parts on our website here: Molnar Technologies 5.7 Hemi Stroker Kits
Forged Chrysler Dodge Gen3 Hemi Stroker Cranks
Molnar Technologies 4340 Steel Forged EFI Gen 3 Hemi Crank Specs
These crankshafts will fit in the modern, Gen 3 EFI Hemi engines which include engines with stock displacements of 5.7 liter, 6.1 liter and 6.4L. The factory cylinder bore size is the main difference in the factory displacement of the 5.7 and 6.1 while the 6.4 has a unique bore and stroke.
OEM Gen3 Hemi Stock bore and stoke dimensions:
- 5.7 Bore 3.917 inches Stroke 3.578 inches
- 6.1 Bore 4.055 inches Stroke 3.578 inches
- 6.4 Bore 4.090 inches Stroke 3.720 inches
Buy the best Gen3 Hemi cranks available from Molnar Technologies here and get dedicated customer service, technical assistance if you need help, unbeatable prices and fast shipping of all in stock items.
Molnar Technologies Gen 3 Hemi Crankshaft Features
- 4340 forged premium steel construction
- Nitrided main and rod journal surfaces for superior wear resistance
- Multi stage heat treatment
- Core hardened
- Nitrided
- Mag-Particle Inspected
- Straight oil holes for best rod journal lubrication
- Precision machined to extremely tight tolerances
- Material properties are monitored closely to insure optimum performance
- Counterweight placement designed for improved crankshaft performance
- .125" radius on both the connecting rod and main journals for increased strength
- Precision ground and micro-polished journals
- Chamfered oil holes for improved oiling
- Indexed for correct stroke
- Excellent choice for any Gen 3 Hemi stroker kit
These crankshafts will fit Chrysler and Dodge, 5.7 liter, 6.1 liter, and 6.4 Liter Gen 3 Hemi engines. The main difference in these 3 engines from the factory is the cylinder bore size and crankshaft stroke.
4340 Forged Steel 5.7, 6.1, 6.4 Hemi Chrysler Dodge Crankshaft Specs
Gen 3 Dodge 5.7, 6.1 and 6.4 Hemi Stroker Cranks by Molnar Technologies
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Chrysler Dodge EFI Gen3 HEMI Cranks |
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| Stroke | Notes | Pin | Min Rod |
Bob | Part Number | |
| 3.593 | Chrysler Drag Pack Hemi Crank with 2.100" rod pins (**NHRA Approved**) | 2.100 | 6.000 | 1850 | 345-3593JB6F
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| 3.795 | (**NHRA Approved**) | 2.100 | 6.000 | 1850 | 345-3795JB6F
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| 3.900 | 2.000 | 6.125 | 345-3900JA6F
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| 3.900 | 2.100 | 6.125 | 345-3900JB6F
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| 4.000 | 2.100 | 6.125 | 1850 | 345-4000JB6F
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| 4.050 | 2.000 | 6.125 | 1800 | 345-4050JA6F
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| 4.080 | 2.000 | 6.125 | 1800 | 345-4080JA6F
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| 4.250 | 2.000 | 6.125 | 1800 | 345-4250JA6F
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Molnar Technologies Chrysler and Dodge Gen 3 Hemi Reluctor Rings
For use with Molnar Technologies Gen3 Hemi Crankshafts |
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| 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.
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MRR-32
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| If you have a 2009 or newer Gen3 Hemi with a 58 tooth reluctor and a Molnar Technologies crankshaft, 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
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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 and a Molnar Technologies crankshaft, then this is the proper 58 tooth reluctor to use. |
MRR-6013
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Chrysler Dodge 5.7 Hemi Main Bearings
Clevite 77 High Performance 5.7L 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
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5.7 Hemi Rod Bearings for 2.000 Journal
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
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Rod Bearings for Stock 5.7 Hemi Spec Rod Journal
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Molnar Hemi 5.7 Connecting Rods
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| Rod Length | Weight | Description | Bolt Size | Rod Jrnl Size | Pin Size | BE Width | PE Width | Part Number | |
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Chrysler Dodge Mopar Gen3 5.7 6.1 and 6.4 Hemi |
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| Length | Weight | Description | Bolt Size | Rod Jrnl Size | Pin Size | BE Width | PE Width | Part Number | |
| 6.125 | 608 | .866 pin diameter Use CB-663H or equivalent bearing | 3/8 | 2.000 | 0.866 22mm |
0.930 | 0.930 | DH6125LFB8-A
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| 6.125 | 668 | Gen III Hemi Turbo Rod with .866 pin | 7/16 | 2.000 | 0.866 22mm |
0.930 | 1.000 | DH6125LFB-T8-A
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| 6.125 | 664 | Gen III Hemi Turbo Rod with .927 pin | 7/16 | 2.000 | 0.927 | 0.930 | 1.000 | DH6125LLB-T8-A
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| 6.200 | 629 | Gen III Hemi Std Wt Use CB-1657AL or equivalent bearing | 7/16 | 2.100 | 0.927 | 0.930 | 1.000 | DH6200NLB8-A
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| 6.200 | 628 | 3/8 | 2.000 | 0.927 | 0.930 | 0.900 | DH6200LLB8-A
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| 6.200 | 680 | Gen III Hemi Turbo Rod | 7/16 | 2.100 | 0.927 | 0.930 | 1.000 | DH6200NLB-T8-A
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| 6.200 | 634 | NHRA Drag Pak Legal | 7/16 | 2.100 | 0.927 | 0.940 | 1.000 | DH6200NLB-DP8-A
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| 6.200 | 627 | 6.4L Factory replacement length and journal size but with .927 wrist pin | 7/16 | 2.125 | 0.927 | 0.934 | 0.900 | DH6200TLB8-A
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| 6.242 | 621 | 5.7L and 6.1L Factory replacement length and journal size but with .927 wrist pin | 7/16 | 2.125 | 0.927 | 0.934 | 0.900 | DH6242TLB8-A
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If you do not see a kit with the 5.7 Hemi specs you need:
We offer a large variety of Mopar, Chrysler, Dodge Hemi 5.7 stroker kit assemblies, We also offer custom piston options. If you do not see a kit that includes the items you want, or you need a different bore size or compression piston, please contact us and we will be happy to help you with a custom configured 5.7 Hemi stroker kit.
Back to Top 5.7 Hemi Stroker Kits
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