6th Gen ZL1 Stage 5 | Factory LT4

CNC ported heads on exchange. Everything in Stage 4 plus a fully reworked top end: ported intake, exhaust and chambers, titanium intake valves, and severe duty stainless exhaust valves. This is the ceiling of the factory supercharger on pump gas, with street manners still intact.

Fitment: 2017 to 2024 Camaro ZL1 (LT4) only.

Fuel: 93 octane pump gas.

What's included

Induction & Airflow
RotoFab Big Gulp Series Cold Air Intake
Nick Williams 103mm Gen V LT Throttle Body (Black)

Cylinder Heads
Vengeance Racing CNC Ported LT4 Cylinder Heads, built by LME (exchange program)
CNC ported intake, exhaust, and chambers
GM 2.125" Titanium Intake Valves
REV 1.600" Severe Duty One-Piece Stainless Exhaust Valves
CHE Precision Manganese Bronze Valve Guides
Polished Dual Valve Spring Kit set up for .660" lift
Valve guide clearance measured and adjusted for the application

Supercharger
Kong Performance Billet High-Flow VR LT4 Water Manifold
Kong Performance CNC Porting of Supercharger and Snout (ZPE Hub, 2.5" Pulley)

VR Cam Kit
Vengeance Racing Custom Camshaft (38% fuel lobe upgrade)
Vengeance Racing 3/8" Hardened Pushrods
IWIS Pro Series Seamless Roller Timing Chain
CHE High Performance Trunnion Kit
BTR VVT Phaser Limiter (Gen 5 LT)
GM Gen V VVT Cam Bolt
GM Crank Bolt
Johnson 2110R Drop-In Hydraulic Lifters
GM Lifter Trays
GM MLS 6.2L Head Gaskets
GM LT Exhaust Gaskets
DOD Delete Plug Kit
ARP Cylinder Head Bolt Kit
GM LS Front Cover Seal

Oil System
Katech Gen V LT Wet Sump Oil Pump (billet gear)

Pulleys & Drive
ATI Wet Sump Balancer Kit
DSX Tuning 9.45" LSA/LT4 Lower Pulley (bolts included)
Gates Green HD 8-Rib Supercharger Belt

Exhaust
Kooks 2" Stainless Long Tube Headers with 3" X-Pipe and H.O. GREEN Catalytic Converters
Vengeance Racing Header Bolt Kit

Fuel System
DSX Tuning Auxiliary Fuel Pump System (320lph pump, CAN BUS controller)

Cooling
AMP Billet Thermostat Housing (160°)
Vengeance Racing Underhood HX Expansion Tank

Crankcase
Mighty Mouse Wild Catch Can System (AN lines and fittings included)

Ignition
NGK LTR7IX Iridium Spark Plug Set
Vengeance Racing 8.65mm Spark Plug Wire Set

What the Full Package covers

The Full Package is not parts plus labor. It is a complete, calibrated, running car handed back to you. On top of every part listed above, the installed price includes:

• Professional installation of all listed hardware
• Supercharger and snout sent out for CNC porting and returned
• Cylinder head core exchange handled end to end
• All required fluids (engine oil, filter, coolant) and used-fluid recycling
• Complete ECU calibration, calibrated with HP Tuners and VR RTD
• Baseline and final dyno testing, with a before and after printout
• All HP Tuners licensing and ECU credits
• Full street and dyno tuning session
• 10 gallons of 93 octane fuel
• Complete four-wheel alignment
• Shop supplies and interior and exterior protection throughout the build
• Vengeance Racing limited warranty
• Wash and vacuum before delivery

Parts Only ships you the hardware. The Full Package is that same hardware installed, tuned, and running before it leaves the shop.

Parts Only (shipped)

Parts Only ships the complete hardware kit to your door. Two items on this package are send-in: the supercharger and snout ship to our machining partner for CNC porting, and the cylinder heads are a core exchange with our head partner. Freight both directions on both is already included in the price. Installation, tuning, fluids, and calibration are not included. Shipping on your hardware kit is calculated at checkout.

Available add-ons

• A10 ten-speed automatic transmission calibration: +$650
• Kong X-Port supercharger porting upgrade: +$500
• Monster triple disc clutch upgrade, six-speed manual cars (strongly recommended, contact for pricing)

A deposit holds your build slot

$500 deposit at checkout. Balance due at drop-off. Questions before booking? Contact us.