2020+ GM GEN V Series L8T 6.6L
SKU:PML-6.6L-L8T-LONGBLOCK-NOTIN
- New pistons, rings, bearings, lifters, and gaskets throughout
- New factory head bolts and OE oil pump installed
- Cylinders bored and diamond honed to oversize specifications
- Block deck and cylinder heads resurfaced
- Cylinder heads rebuilt with new valve guides and three-angle valve seats
- Valve springs tested at seated and open pressures
- Top-end gasket set included to complete installation
- No DOD/AFM system
- Plasma moly piston rings for enhanced sealing and efficiency
- Coated hypereutectic pistons to minimize wear and reduce skirt scuffing
- Blueprinted engine assembly
- Block finished in high gloss black or cast engine enamel
- Custom tuning available for this engine
- HP Tuners support
- Remote tuning revisions
- Built around your vehicle setup
- Setup guidance after install
Fill out the following to order your engine online
There are 2 Refundable Core Deposits for our engines. You can learn more about our core return policy here.
Engine Core - $3,000
Shipping Container Core - $500
Note: Cleaning fees may be deducted from the core deposit if the crate is dirty with spilled oil/coolant.
If you order directly through our website, payment will be captured at checkout.
If you inquire online, payment details for our engines will be determined after your order has been placed. We accept credit, debit, EFT, and certified bank drafts.
Once your build is complete, orders usually deliver within 1-2 weeks. Shipping charges may be subject to change.
Inquiry Form
Core Inspection
Start with the right foundation
Every build starts with a complete teardown and core inspection. We strip the engine to bare components and check the block, crankshaft, rods, pistons, cylinder heads, and hardware for wear patterns, damage, cracks, previous machine work, and signs of failure. This inspection tells us what can be reconditioned, what needs machining, and what gets replaced.
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