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ROTATING ASSEMBLIES
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SHORT BLOCKS |
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Product |
Description |
Price |
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370/5.7L Rotating Assembly |
Balanced, sold outright - no core charge |
$3350 |
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370/5.7L Short Block |
Core exchange on block |
$4995 |
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383/5.7L Rotating Assembly |
Balanced, sold outright - no core charge |
$3495 |
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383/5.7L Short Block |
Core exchange on block |
$5195 |
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392 or 407/5.7L Rotating Assembly |
Balanced, sold outright - no core charge |
$3695 |
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392 or 407/5.7L Short Block |
Core exchange on block |
$5595 |
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392/6.1L Rotating Assembly |
Balanced, sold outright - no core charge |
$3495 |
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392/6.1L Short Block |
Core exchange on block |
$4995 |
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418 - 426 Rotating Assembly |
Balanced, sold outright - no core charge |
$3795 |
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418 -
426 Short Block |
Core exchange on block |
$5795 |
![[Product Image]](images/426.jpg)
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- Please Note :
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- Since we use custom CP brand pistons with all of our
rotating assemblies and short blocks we can provide pistons for any desired
compression ratio, ring package, wrist pin size and bore desired at no
additional cost. Additionally, we can adjust compression heights for
stroke lengths not shown above such as stock stroke all forged setups or
destroked engines.
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ENGINE UPGRADES |
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Product |
Description |
Price |
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9310 Tool Steel Wrist Pins |
Heat treated to 55-57 (Rockwell c), and
treated to a super smooth finish these pins are the perfect addition to
your performance combination, promising significantly increased strength
combined with a substantial weight reduction compared to carbon steel
pins. |
$125 |
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WPC Surface Wrist Pins |
Required with unbushed rods. |
$125 |
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Manley Pro I Beam Lightweight Rods |
Upgrade stroker kits to Manley Pro I beam lightweight
rods. Manley's Pro Series Lightweight rods are fully machined
forgings combining the best in terms of strength and weight. |
$750 |
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Crower 93 series rods |
Upgrade stroker kits to Crower 93 series rods.
Crower’s “RBT” (Radial Beam Technology) design combines lightweight
performance with proven reliability at extended rpm. CNC machined, vacuum
degassed, and premium steel alloy rated to 170,000 p.s.i. |
$850 |
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ARP main studs |
Replaces stock bolts for high output
applications. ARP® main studs are manufactured from 8740 chrome moly
steel, heat-treated in-house to 200,000
psi tensile strength, and precision J-form threads rolled after
heat-treat to create a fastener that has threads 1000% stronger than
others. All kits come complete with hardened parallel-ground washers and
aerospace quality nuts. |
$155 |
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ARP head studs |
Replaces stock bolts for high output
applications. ARP® high performance cylinder head stud kits are precision
centerless-ground and thread-rolled to Mil-S-8879 specs. Their black oxide
finish protects them from wear and corrosion, and ARP throws in hardened
parallel washers for uniform load distribution and accurate torque
readings. Keep your cylinders mounted solidly with a set of these ARP high
performance cylinder head stud kits. |
$350 |
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Coated Piston Heads |
Ceramic thermal barrier coated Piston Crowns |
$175 |
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Coated Piston Skirts |
PTFE (teflon) thermal barrier coated Piston
Skirts |
$175 |
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Partial crank profile |
Partial crank profile 370, 383, 392/6.1 engines |
$550 |
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Full Crank Profile |
Full crank profile 370, 383, 392/6.1 engines |
$1250 |

Want to add
a 6.1L Aluminum intake manifold to your 5.7L Hemi?
We can help
you make
it happen!
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INTAKE MANIFOLD UPGRADES |
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Product |
Description |
Price |
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6.1L Intake Manifold Porting |
Ported to remove internal
casting imperfections for maximum air flow! |
$450 |
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External Intake Manifold Coating |
Coat outside of intake with thermal dispersant coating
to help prevent heat soak. |
$175 |
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Internal Intake Manifold Coating |
Coat inside of intake with ceramic thermal barrier
coating to help prevent heat soak. |
$175 |
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6.1L Truck Manifold Upgrade |
This conversion kit allows you to add the aluminum
6.1L Intake Manifold to a Truck's 5.7L HEMI. |
$425 |
Engine Upgrade Photo Gallery
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Machined crank for rotating assembly |
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Full or Partial profile available |
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Rotating assemblies available from a 370 to a high performing 426 HEMI |
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We use CP brand pistons with our assemblies and short blocks
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Ceramic thermal coatings available for crowns and skirts |
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Our thermal coating provides long lasting protection from heat damage |
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Short blocks are assembled with care and precision |
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Short block assemblies are available in a variety of sizes to suit your performance needs |
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This 383 is ready to rip up the road! |
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Telephone : (512) 964-7724
Email :
392Stu@InertiaMotorsports.com
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