1996-2007 GM Truck Rotating Assemblies

Intended for late 350 V8s, these Lunati engine assembly kits include a new forged 4340 crank (3.750 stroke) that is machined to fit the one-piece rear main seal block. 6.000" Lunati Pro-ModTM connecting rods are used along with Lunati 4032 forged pistons, Racer Series plasma rings, alecular main and rod bearings. The kits are internally balanced.

When ordering, please specify transmission type and single or dual mass flywheel for manual transmission cars. If you require a different bore size or combination, please give one of our salesmen a call at 877-516-7223 for further assistance.

Callies Compstar Speed Packs are high quality rotating assemblies, for most popular applications, at a value price.  Each Speed Pack is shipped fully balanced and ready for use.  Callies includes only proven "brand name" components to ensure a consistent and reliable outcome for your project.  Flat top or inverted dome versions with Mahle Power Pac Pistons and bearings provide excellent power and durability. 
A Diamond Piston upgrade is available upon request for nitrous and other forced induction applications.  Please call or email us.


With each Speed Pack you get the following:

• Compstar Crankshaft - Your choice of stroke and reluctor wheel (all are 24x reluctor, specify in order notes if 58x reluctor is required)
• Compstar Connecting rods - ARP2000 Rod bolts and stroker clearanced
• Mahle Pistons - Your choice in flat top or dish pistons 
• Mahle - File Fit Plasma Moly performance 1.5mm - 1.5mm - 3.0mm
• Main and rod bearings included
• If you don't see your application listed call or email us

Manley rotating assemblies are high quality rotating assemblies for racers at a value price. Manley includes only proven "brand name" components to ensure a consistent and reliable outcome for your project.  Flat top or inverted dome versions with Manley Platinum Series Pistons and bearings provide excellent power and durability. 
A Diamond Piston upgrade is available upon request for nitrous and other forced induction applications.  Please call or email us.


With each Rotating Assembly you get the following:

• Manley Crankshaft of Choice - Your choice of reluctor wheel(24 or 58x), and also Lightweight or Super Lightweight for those     looking for a little more 
• Manley Connecting rods - Your choice of H-Beam or I-Beam (I-Beams come standard w/ ARP 2000 Bolts)
• Manley Platinum Series Pistons - Your choice in flat top or dish pistons 
• Manley File Fit Plasma Moly performance 1.5mm - 1.5mm - 3.0mm
• Main and rod bearings included
• If you don't see your application listed call or email us
• Diamond Piston upgrade is available upon request

**** Some rotating assemblies may require balancing ****