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SKU: GIVN-0012S-8 | UPC: 01037721244871
Supertech GM ECOTEC LSJ 2.0L/2.2L/2.4L Black Nitrided Intake Valve +0.5mm Oversize Set of 8
Supertech black nitrided intake valves deliver reliable performance upgrades for GM Ecotec LSJ 2.0L supercharged 2.2L and 2.4L engines found in Chevrolet Cobalt SS HHR SS and Saturn Ion Red Line models. This +0.5mm oversize set of 8 features precision engineering for increased airflow and heat resistance during high RPM operation. Install these in performance builds to support bigger cams ported heads and forced induction setups.
Key Features
- Black Nitrided Finish: 3-micron layer boosts fatigue strength 50 percent cuts friction 35 percent improves heat dissipation 30 percent over stock for longer valve life under boost
- +0.5mm Oversize Head: 34.50mm diameter (stock 34.00mm) allows more air intake volume pairs with machined seats for high flow gains in modified Ecotec heads
- One-Piece Forged Steel: 7.97mm stem 113.25mm length swirl polished back reduces turbulence ensures exact OEM fit with tighter guide clearances
- Advanced KS Nitriding Process: Prevents guide wear maintains seal integrity handles extreme temperatures in supercharged LSJ applications
- Complete Set of 8: Matches Ecotec DOHC cylinder head design direct replacement for stock valves in 2.0L LSJ 2.2L L61 2.4L LE5 engines
Product Notes
- Requires valve seat machining to +0.5mm for proper installation
- Use with Supertech exhaust valves for balanced flow
- Ships in protective foam-lined box prevents damage during transit
Installation Notes
- Professional installation recommended.
- Machine valve seats to 34.50mm intake diameter verify spring pressures
- Compatible with stock retainers keepers multivalve springs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2007 | Chevrolet | Cobalt | SS Supercharged 2.0L LSJ |
| 2006-2010 | Chevrolet | HHR | SS Supercharged 2.0L LSJ |
| 2004-2005 | Saturn | Ion | Red Line 2.0L LSJ |
| 2005-2007 | Chevrolet | Cobalt | SS/SS Sedan 2.2L L61 |
| 2006-2007 | Chevrolet | HHR | LS Panel 2.2L L61 |
| 2007-2009 | Pontiac | Solstice | Base 2.4L LE5 |
Why Choose Supertech?
- Trusted in professional racing teams worldwide
- Manufactured with aerospace grade materials processes
- Engineered tolerances exceed OEM standards
Frequently Asked Questions
-
Q: Does this fit 2008+ Chevrolet HHR SS or Cobalt SS with LNF engine?
A: No this set fits LSJ supercharged 2.0L LE5 2.4L and L61 2.2L variants LNF turbo uses different valve GIVN-0013 series -
Q: What material and finish details?
A: Forged 21-4N stainless steel with black nitride KS coating 3 microns thick adds fatigue resistance no guide galling -
Q: What warranty coverage?
A: 1-year unlimited mileage warranty against manufacturing defects when installed by certified shop
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Foam-lined cardboard box 6 x 4 x 2 inches
- Weight: 0.8 lbs
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