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GM DURAMAX 6.6L
EXTREME DUTY X-BEAM FORGED BILLET RODS
 
  • New X-Beam Extreme Duty Design
  • American 4340 Certified Aircraft Quality Steel
  • American Multi-Phase Heat-Treating


3-ultimatex-gm-duramax-extreme-duty-forged-billet-rods-hrc bx6420 All new X-beam design for the ultimate in strength and durability.  These rods start with certified 4340 aircraft quality steel and are fully CNC machined on the newest generation of equipment to insure the removal of all surface imperfections.  A precision “EDM” laser burns a hole from the top of the rod bearing journal to wrist pin bushing for an extra supply of oil to the piston pin.  Fully stress relieved and shot peened to insure no stress risers remain.  The beam is profiled for weight savings.  The cap has been lightened for easier balancing.  They are specially heat-treated using a multi-phase process to insure the ultimate in strength and reliability.  Rod caps are double ribbed for added strength.  Rod cap alignment dowels to keep bearing caps precisely aligned.  Bronze bushed for floating pins.  7/16” ARP 2000 capscrew (220,000 psi) fasteners secure the caps.  The Ultimate Duramax Rod!


BX6420          GM Duramax 6.6L

99805             Drilled Rod Bearing Set (required for wrist pin oiling)


Note: Standard rod bearings may be used but will not feed the wrist pin with oil unless drilled. 
 


4340 FORGED SPORT RODS

Super Quality · American Made!

All Howards Sport Rods use 4340 aircraft quality steel forgings, Ampco bronze bushings, ARP 2000 capscrews and rodcap alignment sleeves. All are stoker clearanced. Special shot peening and multiphase heat treating processes are used.

Our experience on the race track, combined with our racing customers, has allowed us to keep the lead in manufacturing the best rods in America. Our promise to you is commitment to continuing that tradition.



H.R.C. SPORT RODS

hrc sp5700 sport rod 650 HP
RANGE
  • Bronze Bushed · Stoker Clearanced
  • ARP 2000 7/16" capscrew bolts
  • Special heat-treating
  • Shot peened
  • Rod cap alignment dowels
  • 650 HP Range
SP6000......Chev SB 6.0" Large Journal (651g approx.)

With all the features of sport rods, HRC Sport Lite Rods are even lighter and ideal for applications up to 550 HP. The beam area is also fully CNC profiled.

Ultimate Duty™ Forged Billet Rods

4-ultimate-duty-forged-billet-rods-hrc br6000A true American forged billet rod at prices as low as imported billets! These rods start with certified high nickel 4340 aircraft quality steel and are fully CNC machined on the newest generation of equipment to insure the removal of all surface imperfections. They are specially heat-treated using a multi-phase process to produce the ultimate in strength and reliability. Fully stress relieved and shot peened to insure no stress risers remain.

Profiled for long stroke applications and weight savings. Rod caps are double ribbed for added strength. Rod cap alignment sleeves to keep bearing caps precisely aligned. Bronze bushed for floating pins. 7/16” ARP 2000 capscrew (220,000 psi) fasteners secure the caps. Special 265,000 psi fasteners are available as an option.



Chev SB BR6385 Chev BB, 6.385” (749g approx.)
BR5700 Chev SB (LJ), 5.700” (650g approx.) BR6385-2100 w/Chev SB LJ Crank (2.100”), 6.385” (790g approx.)
BR5850 Chev SB (LJ), 5.850” (664g approx.) BR653 Chev BB, 6.535” (762g approx.)
BR5850S Chev SB (SJ), 5.850” (702g approx.) BR6700 Chev BB, 6.700” (780g approx.)
BR6000 Chev SB (LJ), 6.000” (673g approx.) H353756012T 350 Main, 3.750” Stroke, 6.000” Rod
BR6125 Chev SB (LJ), 6.125” (674g approx.) BR6800 Chev BB, 6.800” (782g approx.)
BR6200 Chev SB (LJ), 6.125” (674g approx.) Chrysler SB
BR6250 Chev SB (LJ), 6.250” (680g approx.) BR6123 Chrysler SB, 6.123” (672g approx.)
BR6300 Chev SB (LJ), 6.300” (670g approx.) BR6251-HEMI Chrysler 5.7L Hemi, 6.250” (661g approx.)
BR6400 Chev SB (LJ), 6.400” (678g approx.) BR6251-HEMI-927 5.7L Hemi w/.927” Pin, 6.250” (662g approx.)
BR6500 Chev SB (LJ), 6.500” (687g approx.) Chrysler BB
GM Gen III LS-1 BR6760 Chrysler BB, 6.760” (766g approx.)
BR6125-LS1 GM Gen III LS-1, 6.125” (673g approx.) BR6760-990 Chrysler BB w/.990” Pin, 6.760” (767g approx.)
BR6125-LS1S w/Chev SB SJ Crank (2.000”), 6.125” (704g approx.) Ford SB
Chev BB BR5400F* Ford SB, 5.400” w/.927” Piston Pin (630g approx.)
BR6135 Chev BB, 6.135” (747g approx.) BR5400C* Ford SB, 5.400” (636g approx.)

*Chev. SB (LJ) Crank (2.100”) & Piston pin (.927”), Ford big end width
265,000 PSI Bolt Upgrade is available as an option.
Custom Ultimate Duty™ Rods Available - Call for Information


Ultimate Duty™ Forged Billet Rods for Import Applications

4-ultimate-duty-forged-billet-rods-hrc br6000 


Ford BA Turbo Typhoon (Aussie)
BR6060BA Ford BA Turbo, 6.060” (640g approx.)
Mitsubishi
BR5900MIT Mitsubishi 4G63 4cyl (early/6 Bolt), 5.900” (653g approx.)
BR5900MITEVO* Mitsubishi 4G63 4cyl (late), 5.900” (652g approx.)
BR6136MIT Mitsubishi 4G63 4cyl (early/6 Bolt), 6.136” (640g approx.)
BR6136MITEVO* Mitsubishi 4G63 4cyl (late), 6.136” (635g approx.)
*7 Bolt EVO Crank applications
Nissan
BR6001RB30 Nissan RB30 6cyl, 6.000” (610g approx.)
Custom Ultimate Duty™ Rods Available - Call for Information

Lightweight 4340 Forged Billet Rods

5-ultimate-duty-forged-billet-lite-rods-hrc bl6000New lighter design (approx. 50 grams less). Great for faster revving oval track and drag race applications requiring up to a 800 horsepower rating. These rods start with the same certified 4340 aircraft quality high nickel steel as Howards Ultimate Duty™ Forged Billet Rods. They are fully CNC machined with new profiles to lighten all non-critical areas. They are specially heat-treated using a multi-phase process to insure the ultimate in strength and reliability. Fully stress relieved and shot peened to insure no stress risers remain. Profiled for long stroke applications. Double ribbed rod caps for added strength. Bronze bushed for floating pins. 7/16” ARP 2000 (220,000 psi) capscrew fasteners. 


BL6000 Chev SB (LJ), 6.000” (620g approx.)
BL6125-LS1 GM Gen III LS-1, 6.125” (625g approx.)

Extreme Duty X-Beam Forged Billet Rods for Import Turbo Applications 
  • New X-Beam Extreme Duty Design
  • American 4340 Certified Aircraft Quality Steel
  • American Multi-Phase Heat-Treating

6-ultimatex-extreme-duty-forged-billet-rods-hrc bx5657mitThe all new X-beam design for the ultimate in weight, strength and durability. These rods start with certified 4340 aircraft quality steel and are fully CNC machined on the newest generation of equipment to insure the removal of all surface imperfections. Fully stress relieved and shot peened to insure no stress risers remain. The beam is profiled for weight savings. They are specially heat-treated using a multi-phase process to insure the ultimate in strength and reliability. Rod caps are double ribbed for added strength. Rod cap alignment dowels to keep bearing caps precisely aligned. Bronze bushed for floating pins. ARP capscrew fasteners secure the caps. The Ultimate Rod! 


Mitsubishi
BX5657MITEVO* Mitsubishi 4B11T 4cyl, 5.657” (600g approx.)
*Features ARP L-19 3/8” Capscrews
Dodge Neon
BX5945SRT** Neon SRT 420A 4cyl, 5.945” (668g approx.)
**Features ARP 2000 7/16” Capscrews


GM Duramax 6.6L Extreme Duty X-Beam Forged Billet Rod 
  • New X-Beam Extreme Duty Design
  • American 4340 Certified Aircraft Quality Steel
  • American Multi-Phase Heat-Treating

3-ultimatex-gm-duramax-extreme-duty-forged-billet-rods-hrc bx6420All new computer designed premium 4340 steel forgings. Properly placed counterweights that not only improve balance but reduce bearing loads. The forgings are rough machined in a process that includes double stress relief operations that make these crankshafts dimensionally stable. Hardened with a deep nitride for superior wear resistance, ideal for abusive track environments. All rod journals are drilled and counterweights are profiled for piston clearance. Large .125” radii on all journals (chamfered bearings required). Consistent grind and polish, along with precise stroke and index. The new standard in performance crankshafts. 


BX6420 GM Duramax 6.6L
99805 Drilled Rod Bearing Set (required for wrist pin oiling)
Note: Standard rod bearings may be used but will not feed the wrist pin with oil unless drilled.



CP-CARRILLO PRO-I RODS
 
  • Howards Cams Specifications built with CP-Carrillo Proprietary Material


pro-iUsing proprietary chrome, nickel, moly, vanadium alloy which meets all VAR standards, and Amco 45 bronze bushings. Heat validated to confirm desired properties. Manufactured from oversized billet forging. CNC machined at Carrillo to validate integrity. Magnafluxed at least twice and Rockwell tested to validate the heat treating procedure. Featuring 7/16" ARP 2000 bolts, (220,000psi).

HRCPR60002100 Chev SB (LJ), 6.000”, 2.100"
HRCPR63852200 Chev SB (LJ), 6.385”, 2.200"
HRCPR65352200 Chev SB (LJ), 6.535”, 2.200"
HRCPR67002200 Chev SB (LJ), 6.700”, 2.200"


FORGED CONNECTING RODS


“The Next Generation of Racing Rods”

Howards and the king of powder forged technology, GKN, have teamed up to design and
manufacture the most technically advanced and reliable performance 1-precision-dense-forged-rods-hrc ppf6000rods on the planet! Forged powder metal technology features an extremely dense grain structure when compared to a billet or conventional forging. It uses task oriented steel materials that tailors compositions to racing connecting rods. Using superior metallurgy that creates cleanliness and isotropic mechanical properties, it allows the alloy materials to be better distributed throughout the steel. Unlike billets, this material can be cut in any direction and the grain structure will look the same under a micron microscope. Powder forging provides an unsurpassed strength vs. weight advantage.

PPF6000 Chev. SB 6.0 Large Journal (585g approx.)
PPF6000-L19 Chev. SB 6.0 w/ARP L19 (260,000psi)


    The Manufacturing Process


the-manufacturing-process-imageFirst superior high-tech base powder is blended with selected alloying elements in a lab style environment. Melting, atomizing, and annealing are controlled to exacting standards to then create super fine powders without impurities! smallRodNext, the base powder, lubricants, additives and graphite elements are compacted under tremendous pressure. Sintering or heating to over 1500° alters and refines the structure of the metal. Hot forging with a 750-ton press finalizes the structure of the metal. the-manufacturing-process-imageWe use superior ASTM 4260 blend. We used CAD solids modeling for proof of concept and machined models from billet. We use Finite Element Analysis, a computer program that accurately simulates stress, which allows redesigns for better strenght and weight reduction in the correct places. This greatly reduces the design cycle time and accurately predicts strength and fatigue resistance before the rod is manufactured and sold to you.
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