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Molnar Connecting Rods by Molnar Technologies

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Molnar rods are the result of continued refinement of the H beam rod design. They are the product of an engineering staff with over 30 years of hands on experience in designing, engineering and manufacturing the best connecting rods for high performance and racing engines.

The founder of Molnar Technologies, Tom Molnar has a proven track record in the high performance parts industry of providing the highest quality products, at reasonable prices along with world class customer service. We are proud to be a dealer for the full Molnar Technologies connecting rod product line.

4340 Billet H Beam Molnar Technologies Connecting Rods

molnar technologies connecting rod image

molnar connecting rods h beam

 

Molnar Connecting Rods Specifications and Design Info

Molnar Technologies steel H-beam connecting rods are manufactured from 4340 billet material and heat treated to provide increased tensile strength. The rods are then shot peened to further improve durability and increase fatigue life. All Molnar rods are fitted with wear resistant bronze bushings for use with floating wrist pins. They also include top quality ARP fasteners, moly lube and installation instructions.

All Molnar Technologies connecting rods are finished in the USA at the Molnar Technologies factory in Michigan. Critical dimensions are are held to +/- .0001 of an inch, which is the tightest tolerance you will find in the racing industry.

4340 Billet H Beam Molnar Connecting rods shelf stocking rod sets are available for many popular engine makes.

Molnar Connecting Rods Catalog Index

All connecting rods listed below are H Beam except where noted as I Beam.

Molnar Rods Specifications, Prices and Application Notes

  • Length Length of the connecting rod, as measured center to center, in inches.
  • Weight Weight in grams, of one complete connecting rod assembly
  • Notes Additional information about specific applications
  • Bolt Size Bolt diameter in inches, Rods come with ARP2000 fasteners installed
  • Rod Pin Size Crank rod journal diameter
  • Pin Size Piston pin diameter, in inches or millimeters
  • BE Width Width of the crankshaft end of one rod
  • PE Width Width of the piston end of one rod
  • Part Number Molnar Technologies Connect Rod set part number
  • Price The price shown is for a complete set of rods for the engine.
Rod Length Weight Description Bolt Size Rod Pin Size Pin Size BE Width PE Width Part Number

AMC V8

AMC 360 633 5.875 Long 7/16 2.095 .930 .995 .990 AH5875AJAFB8-A

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AMC 390 and 401 653 5.858 Long 7/16 2.248 1.000 .916 .990 AH5858WUB8-A

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Buick V6

5.960 Buick V6 695 Stock Replacement 7/16 2.249 0.940 0.854 0.986 BH5960WMB6-A

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6.350 Buick V6 717 Offset with Narrow Journal 7/16 2.249 0.927 0.854 0.986 BH6350WLB6-A

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Small Block Chevy

Small Block Chevy H Beam Rods Standard Weight Standard Journal

5.700 605 5.700 Chevy 7/16 2.100 0.927 0.940 1.010 CH5700NLB8-A

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5.850 612 5.850 Chevy 7/16 2.100 0.927 0.940 1.010 CH5850NLB8-A

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6.000 617 6.000 Chevy 7/16 2.100 0.927 0.940 1.010 CH6000NLB8-A

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6.000 608 6.000 Chevy machined to provide max clearance for use with stroker crank 7/16 2.100 0.927 0.940 1.010 CH6000NLB-ST8-A

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6.125 623 6.125 Chevy 7/16 2.100 0.927 0.940 1.010 CH6125NLB8-A

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6.400 638 6.400 Chevy 7/16 2.100 0.927 0.940 1.010 CH6400NLB8-A

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Small Block Chevy Lightweight standard journal size

5.700 SBC Lightweight 496 NASCAR Late Model Stock 7,600 RPM Max 3/8 2.100 0.927 0.940 0.900 CH5700NLB-L8-A

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6.000 SBC Lightweight 505 NASCAR Late Model Stock 7,600 RPM Max 3/8 2.100 0.927 0.940 0.900 CH6000NLB-L8-A

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6.125 Std Chevy SB Lightweight 510 NASCAR Late Model Stock 7,600 RPM Max 3/8 2.100 0.927 0.940 0.900 CH6125NLB-L8-A

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6.250 Std Chevy SB Lightweight 512 NASCAR Late Model Stock 7,600 RPM Max 3/8 2.100 0.927 0.940 0.900 CH6250NLB-L8-A

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SBC Small Journal

5.700 581 small rod journal 7/16 2.000 .927 .940 1.010 CH5700LLB8-A

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6.000 606 small rod journal 7/16 2.000 .927 .940 1.010 CH6000LLB8-A

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6.125 611 small rod journal 7/16 2.000 .927 .940 1.010 CH6125LLB8-A

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SBC Small Journal Lightweight

6.000 SBC Lightweight Small Journal 497 NASCAR Late Model Stock 7,600 RPM Max 3/8 2.000 .927 .940 .900 CH6000LLB-L8-A

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Chevy Small Block Lightweight Honda Journal

5.700 556 NHRA SS Legal / Honda Journal 3/8 1.890 0.875 0.940 1.010 CH5700GAEB-SS8-A

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6.000 528 .866" Wrist Pin 3/8 1.890 0.866 0.940 1.010 CH6000GFB-L8-A

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6.000 529 .927" Wrist Pin 3/8 1.890 0.927 0.940 1.010 CH6000GLB-L8-A

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6.125 532 .866" Wrist Pin 3/8 1.890 0.866 0.940 1.010 CH6125GFB-L8-A

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6.125 533 .927" Wrist Pin 3/8 1.890 0.927 0.940 1.010 CH6125GLB-L8-A

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Chevy Small Block Mid Weight

6.000 553 Small Journal 3/8 2.000 0.927 0.940 0.900 CH6000LLB-M8-A

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6.000 562   3/8 2.100 0.927 0.940 0.900 CH6000NLB-M8-A

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SBC Lightweight I Beam Rods 7600 RPM Max

6.000 508 I Beam Lightweight Small Journal Max RPM 7600 3/8 2.000 0.927 0.940 0.900 CI6000LLB-L8-A

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6.000 514 I Beam Lightweight Standard 2.100 Journal Max RPM 7600 3/8 2.100 0.927 0.940 0.900 CI6000NLB-L8-A

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Chevy and GM LS Series Engine Rods

6.125 Chevy LS 602 6.125 LS Lightweight 7/16 2.100 0.927 0.940 1.010 CH6125NLB-LS8-A

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6.125 654 LS1 Chevy Turbo 7/16 2.100 0.927 0.940 1.010 CH6125NLB-LST8-A

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6.200 620 LS1 Chevy 7/16 2.100 0.927 0.940 1.010 CH6200NLB-LS8-A

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Big Block Chevy Standard Journal Size

Rod Length Weight Description Bolt Size Rod Pin Size Pin Size BE Width PE Width Part Number
6.135 717   7/16 2.200 .990 0.992 1.065 CH6135VTB8-A

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6.135 782 NHRA Stock Approved 7/16 2.200 .990 0.992 1.065 CH6135VTB-N8-A

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6.385 729   7/16 2.200 .990 0.992 1.065 CH6385VTB8-A

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6.480 733   7/16 2.200 .990 0.992 1.065 CH6480VTB8-A

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6.535 736   7/16 2.200 .990 0.992 1.065 CH6535VTB8-A

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6.600 742   7/16 2.200 .990 0.992 1.065 CH6600VTB8-A

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6.635 744   7/16 2.200 .990 0.992 1.065 CH6635VTB8-A

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6.700 744   7/16 2.200 .990 0.992 1.065 CH6700VTB8-A

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6.760 839 BBC and BB Mopar when using crank with BBC journal diameter and width and a .990 pin 7/16 2.200 .990 0.992 1.140 CH6760VTB8-A

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6.800 BBC 749   7/16 2.200 .990 0.992 1.065 CH6800VTB8-A

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6.860 845 BBC and BB Mopar and Gen 2 426 Chrysler Hemi when using crank with BBC journal diameter and width and a .990 pin 7/16 2.200 .990 0.992 1.140 CH6860VTB8-A

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6.860 879 Chrysler 426 Hemi with 1.030 Pin and BB Chevy Journal diameter and Big Block Chevy rod journal width 7/16 2.200 1.030 0.992 1.140 CH6860VVB8-A

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7.100 832   7/16 2.200 .990 0.992 1.065 CH7100VTB8-A

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Big Block  Chevy Small Journal

6.135 small journal 705 Light weight BBC using 2.100 small journal diameter crank 7/16 2.100 .990 0.992 1.065 CH6135NTB-L8-A

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6.385 small journal 716 BB Chevy using 2.100 small journal diameter crank 7/16 2.100 .990 0.992 1.065 CH6385NTB8-A

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Chrysler Dodge Plymouth Mopar

Chrysler Slant Six

7.005 650 For use with forged crank 7/16 2.187 .901 1.210 .980 DH7005UHB6-A

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7.005 603 For use with cast crank 7/16 2.187 .901 .940 .980 DH7005UHB-C6-A

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Chrysler Dodge Plymouth Mopar 273 318 340 360 5.2 5.9 SBM

6.123 Chrysler with .927" Pin 623   7/16 2.125 0.927 0.927 1.03 DH6123TLB8-A

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6.123 Chrysler with .984" Pin 623   7/16 2.125 0.984 0.927 1.03 DH6123TSB8-A

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Chrysler Dodge EFI Hemi 5.7 6.1 and 6.4 Hemi Gen 3

Length Weight Description Bolt Size Rod Pin 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 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 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 Size 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 Size 7/16 2.125 0.927 0.934 0.900 DH6242TLB8-A

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Chrysler Dodge Plymouth Mopar Big Block 361 383 400 413 426 Hemi 440 B and RB Engines

6.760 Chrysler Wedge with .990 Pin 849   7/16 2.375 .990 1.017 1.140 DH6760YTB8-A

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6.760 Chrysler Wedge 852   7/16 2.375 1.094 1.017 1.140 DH6760YYB8-A

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6.860 Chrysler Hemi with .990 Pin 854   7/16 2.375 .990 1.017 1.140 DH6860YTB8-A

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6.860 Chrysler Hemi 853   7/16 2.375 1.031 1.017 1.140 DH6860YVB8-A

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Big Block Chrysler and 426 Hemi Rods with Big Block Chevy Journal

6.760 844 Chrysler Wedge with .990 Pin & BB Chevy Journal diameter and BBM rod journal width 7/16 2.200 .990 1.017 1.140 DH6760VTB8-A

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6.860 849 Chrysler 426 Hemi with .990 Pin and BB Chevy Journal diameter and BBM rod journal width 7/16 2.200 .990 1.017 1.140 DH6860VTB8-A

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6.860 879 Chrysler 426 Hemi with 1.030 Pin and BB Chevy Journal diameter and Big Block Chevy rod journal width 7/16 2.200 1.030 0.992 1.065 CH6860VVB8-A

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7.100 838 BBM Wedge and 426 Hemi with 2.200 rod journal and .990 Wrist Pin, standard BBM rod journal width 7/16 2.200 .990 1.017 1.140 DH7100VTB8-A

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Chrysler 354 Hemi

6.625 Chrysler 354 Hemi 759   7/16 2.250 0.984 0.994 1.140 DH6625WSB8-A

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Chrysler 392 Hemi

6.950 Chrysler 392 Hemi 826 Use CB-1512 or equivalent bearing 7/16 2.375 0.984 0.994 1.158 DH6950YSB8-A

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Dodge Viper V10

6.221 634 V10 Viper 2003 - 2006 7/16 2.125 0.927 0.930 1.000 DH6221TLB10-A

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6.242 634 Viper V10 with 6.242 length rod 7/16 2.125 0.927 0.930 1.000 DH6242TLB10-A

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GMC Duramax Diesel Rods

6.418 1150 GM, GMC and Chevy 6.6 Duramax 7/16 2.476 1.359 1.120 1.540 GH6418APZB8

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Ford and Mercury

Ford Small Block

5.400 563 5.400 Ford beam offset with 2.100" Journal and .927 pin 3/8 2.100 0.927 0.831 1.010 FH5400NLB8-A

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6.000 620 Correct Ford beam offset with 2.100" Journal and .927 pin 7/16 2.100 0.927 0.940 1.000 FH6000NLB8-A

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6.125 625 Correct Ford beam offset with 2.100" Journal and .927 pin 7/16 2.100 0.927 0.940 1.000 FH6125NLB8-A

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6.200 625 6.200 Ford beam offset with 2.100" Journal and .927 pin 7/16 2.100 0.927 0.940 1.010 FH6200NLB8-A

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6.300 629 6.300 Ford beam offset with 2.100" Journal and .927 pin 7/16 2.100 0.927 0.940 1.010 FH6300NLB8-A

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6.580 750 Ford 400 rods with press fit wrist pin 7/16 2.310 0.975 .882 1.000 FH6580AMPP8-A

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Ford Small Block V8 Lightweight

6.125 513 NASCAR Late Model Stock - 7,600 RPM Max Correct Ford beam offset with 2.100" Journal and .927 pin 3/8 2.100 0.927 0.940 0.900 FH6125NLB-L8-A

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6.200 515 NASCAR Late Model Stock - 7,600 RPM Max Correct Ford beam offset with 2.100" Journal and .927 pin 3/8 2.100 0.927 0.940 0.900 FH6200NLB-L8-A

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Ford MOD

5.933 600   7/16 2.086 .866 .940 .965 FH5933RFB8-A

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Pontiac V8 Engine Rods

6.625 765 V8 engines 326 350 389 400 421 428 455 7/16 2.249 .980 .994 1.140

PH6625WRB8-A


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4 Cylinder and 6 Cylinder Rod Sets

Rod Length Description Weight Bolt Size Rod Pin Size Pin Size BE Width PE Width Part Number

BMW

5.315 M52 B32 / M54 B30 and S52 484 3/8 Stock 22mm 0.862 0.862 BMWH5315CFB6-A

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5.472 S54 B32 496 3/8 Stock 21mm 0.784 0.784 BMWH5472KEB6-A

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Chevy Sport Compact

5.590 Chevy LN2 2.2L 499 3/8 stock 2.000 0.800 1.034 0.900 CH5590LADB4-A

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5.659 Chevy 2.4 ECOTEC LE5 532 3/8 stock 1.929 20mm 0.945 0.945 CH5659JCB4-A

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5.709 ECOTEC 2.0 LNF 549 3/8 stock 1.929 23mm 0.945 0.945 CH5709JJB4-A

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5.728 Chevy 2.0 ECOTEC LSJ 545 3/8 stock 1.929 23mm 0.945 0.945 CH5728JJB4-A

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6.004 Ecotec 2.0 LTG 581 3/8 stock 1.929 24mm 1.042 1.042 CH6004JNB4-A

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Ford Sport Compact

5.758 1.8L and 2.0L Duratec 515 3/8 Stock 21mm 0.860 0.710 FH5758DEB4-A

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5.976 2.5L MZR
2.5 Ford Duratec
552 3/8 Stock 20mm 0.859 0.708 ZH5976MCB4-A

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5.976 2.5L MZR and Ford 2.5 Duratec with 21mm wrist pin 552 3/8 Stock 21mm 0.859 0.708 ZH5976MEB4-A

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6.094 Ford 2.3L Duratec 538 3/8 Stock 21mm 0.859 0.860 FH6094KEB4-A

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6.136 2.0L EcoBoost 571 3/8 Stock 22.5mm 0.858 0.858 FH6136MGB4-A

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Honda

5.287 B16 472 3/8 Stock 21mm 0.937 0.790 HH5287CEB4-A

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5.394 D16 488 3/8 Stock 19mm 0.895 0.921 HH5393CBB4-A

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5.394 D17 460 3/8 Stock 19mm 0.780 0.846 HH5394CBB4-A

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5.394 Honda B18A and B18B 485 3/8 Stock 21mm 0.937 0.790 HH5394CEB4-A

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5.433 Honda B18C 495 3/8 Stock 21mm 0.857 0.857 HH5433CEB4-A

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5.472 Honda K20A Turbo 502 3/8 Stock 22mm 0.782 0.782 HH5472FFB4-A

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5.472 Honda K20A Lightweight 450 3/8 Stock 22mm 0.782 0.782 HH5472FFB-L4-A

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5.551 F23 508 3/8 Stock 22mm 0.780 0.780 HH5551CFB4-A

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5.866 Honda Fit and Jazz 364 3/8 Stock 18mm 0.702 0.702 HH5866AAB4-A

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5.984 Honda K24 Turbo 535 3/8 Stock 22mm 0.782 0.782 HH5984FFB4-A

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5.984 K24 Lightweight 451 3/8 Stock 22mm 0.782 0.782 HH5984FFB-L4-A

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6.200 R18A 460 3/8 Stock 20mm 0.762 0.762 HH6200CCB4-A

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Hyundai

5.748 2.0L Genesis 4B11 523 3/8 Stock 22mm 0.860 0.860 HYH5748FFB4-A

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Mazda

5.234 MX5, B6 and BP 482 3/8 Stock 20mm 0.860 0.860 ZH5234CCB4-A

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5.315 FS DE 497 3/8 Stock 19mm 0.858 0.860 ZH5315FBB4-A

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5.927 2.3 DISI with 22.5mm Pin 558 3/8 Stock 22.5mm 0.858 0.858 ZH5927MGB4-A

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5.976 2.5 MZR with 20mm pin 552 3/8 Stock 20mm 0.859 0.708 ZH5976MCB4-A

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5.976 2.5L MZR with 21mm wrist pin 552 3/8 Stock 21mm 0.859 0.708 ZH5976MEB4-A

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6.094 2.3L Duratec (Not Speed 3) 538 3/8 Stock 21mm 0.859 0.860 FH6094KEB4-A

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Mitsubishi

Rod Length Description Weight Bolt Size Rod Pin Size Pin Size BE Width PE Width Part Number
5.250 Mitsubishi 4G93 475 3/8 Stock 19mm 0.860 0.860 MH5250CBB4-A

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5.659 4B11 EVO X 558 3/8 Stock 23mm 0.861 0.784 MH5659MJB4-A

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5.906 4G63 Gen 2 539 3/8 Stock 22mm 1.038 0.900 MH5906CFB4-A

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Nissan

4.783 RB25 and RB26 496 3/8 Stock 21mm 0.857 0.857 NH4783FEB6-A

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5.364 SR20 517 3/8 Stock 22mm 0.894 0.894 NH5364FFB4-A

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5.630 QR25DE 514 3/8 Stock 20mm 0.896 0.900 NH5630CCB4-A

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Opel

5.106 Z16XE 425 3/8 Stock 19mm 0.860 0.700 OPH5106ABBB4-A

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5.110 X16 XE 425 3/8 Stock 18mm 0.862 0.712 OPH5110ABAB4-A

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5.634 C20XE 529 3/8 Stock 21mm 1.038 0.866 OPH5634JEB4-A

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Subaru

5.137 EJ20 and EJ25 536 3/8 Stock 23mm 0.842 0.842 SH5137MJB4-A

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5.180 EJ25 Non Turbo 544 3/8 Stock 23mm 0.842 0.842 SH5180MJB4-A

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Suzuki

5.354

Suzuki M16A and M18 Swift

447 3/8 Stock 20mm 0.936 0.740

SZH5354BCB4-A


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5.492 G16 A, B and D 485 3/8 Stock 19mm 0.866 0.866 SZH5492ACBB4-A

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Toyota

4.803 4A-GEC 1985-1987 421 3/8 Stock 1.574 20mm 0.859 0.859 TH4803ACB4-A

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4.803 4A-GE 1988-1991 463 3/8 Stock 1.653 20mm 0.858 0.858 TH4803BCB4-A

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4.843 3TC 522 3/8 Stock 22mm 1.054 1.054 TH4843FFB4-A

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5.315 2RZ-FE 2.4L 621 3/8 Stock 24mm 1.015 1.015 TH5315AJNB4-A

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5.551 1NZFE 422 3/8 Stock 18mm 0.704 0.704 TH5551AAB4-A

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5.590 2JZ-GTE (all 2JZ models) 578 3/8 Stock 22mm 1.020 1.000 TH5590MFB6-A

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5.772 1ZZ 465 3/8 Stock 20mm 0.779 0.787 TH5772ACCB4-A

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5.886 2AZ-FE 510 3/8 Stock 22mm 0.780 0.780 TH5886FFB4-A

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6.200 2AR FE 590 3/8 Stock 22mm 0.858 0.858 TH6200AWFB4-A

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6.300 1GR-FE 596 3/8 Stock 22mm 0.818 0.818 TH6300VFB6-A

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Volkswagen

5.669 VW Golf 1.8L, Audi 1.8T 536 3/8 Stock 20mm 0.982 0.982 VWH5669AFCB4-A

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5.669 Golf 2.0 536 3/8 Stock 21mm 0.982 0.860 VWH5669AFEB4-A

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5.669 TFSI with Tapered Pin End 547 3/8 Stock 21mm 0.860 0.982 VWH5669AFETB4-A

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Powersports Connecting Rods

Seadoo with Rotax 4 Tec

Rod Length Description Weight Bolt Size Rod Pin Size Pin Size BE Width PE Width Part Number
4.724 Rotax 1503 4 Tec 460 3/8 Stock 23mm 0.865 0.865 RTH4724CJB3-A

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Yamaha

5.710 Waverunner SHO 511 3/8 Stock 22mm 1.056 .824 YH5710BFB4-A

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Additional information and the latest news can be found on the blog at Molnar Rods

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