A Guide to Mopar's New Hemi Performance Parts

A guide to Mopar's new line of Ultra High Performance Parts for the 5.7L, 6.1L, and 392ci Hemi engines

Mopar has recently released several new products for the 5.7L, 6.1L, and 392ci Hemi engines. Here's a guide to what's available:

392 HEMI Crate Engine Crankshaft

High-strength premium quality 4104 forged steel crankshaft machined from proprietary forgings. For use in high-performance and race applications. Crank nose is machined for full-length damper key and features 2.100" rod throws and “new Hemi” 8-bolt flange – 3.795" Stroke. For 6.1L Hemi block-based stoker applications. Part #P5153578.



Forged Steel Connecting Rod— 392 Hemi

Forged from premium 4340 high-strength steel, these rods feature race-quality cap screw rod bolts and durable I-beam design and fl oating pin. 6.200" center-to-center length, 0.927" bronze brushed wrist pin bore, designed for 2.100" rod bearing. For stroker applications in a 6.1L engine block, use with P5153578 crank. Part #P5153577.



Forged Steel Connecting Rod — 5.7L Hemi

This durable connecting rod is forged from 4340 super high strength steel as a single piece. Includes high–strength bolts. Part #P5249898.






392 Hemi Crate Engine Camshaft

Developed exclusively for the Mopar 392 Hemi Crate Engine to provide the best combination of power, torque and reliability. This hydraulic roller camshaft is designed to work with production 6.1L engine block and hydraulic roller lifters (not included), performance valve springs and pushrods. Valve notches will be required for proper valve-to-piston clearance (.080" minimum Intake, .100" minimum Exhaust). Stock pistons are NOT recommended. Part #P5153691.


5.7L/6.1L/392 Hemi CNC-Ported Cylinder Heads

These bolt-on, CNC-ported cylinder heads are equipped with the highest quality parts and technology available to deliver optimum performance. Capable of handling camshafts with valve lifts up to .600", they are designed to optimize flow while maintaining optimum port velocity.