-24%
Click to zoom in
SKU: 12345-8 | UPC: 807298086095
Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) 2014-2023
Manley Race Master exhaust valves deliver race-proven durability for Chevrolet LT1 6.2L engines in Corvette Stingray and Camaro SS models. These one-piece forged valves feature 1.590 inch head diameter and suit high-revving builds up to 8000 RPM in bracket drag and oval track applications. Replace stock valves with this set of 8 for improved flow and heat resistance in performance heads.
Key Features
- Race Series Engineering: Built for bracket drag and oval track racing with operation under 8000 RPM
- 1.590 Inch Head Diameter: Matches LT1 cylinder head ports for unrestricted exhaust flow
- Hollow Stem Design: Reduces valve weight by up to 30 percent to minimize reciprocating mass
- 23-8N Stainless Steel: Provides high-temperature strength and corrosion resistance
- Swirl Polished Finish: Enhances airflow and reduces valve train wear
Product Notes
- Verify valve stem clearance during installation
- Pair with compatible valve springs for high-RPM use
- Ships in protective packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Requires LT1 head disassembly and valve guide machining if upgrading springs
- Compatible with stock LT1 heads or aftermarket LT1-specific heads
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2019 | Chevrolet | Corvette | Stingray LT1 6.2L |
| 2016-2023 | Chevrolet | Camaro | SS LT1 6.2L |
| 2014-2017 | Chevrolet | SS | LT1 6.2L |
Why Choose Manley?
- Decades of racing heritage in valvetrain components
- Strict quality control from forging to finishing
- Precision tolerances for reliable high-RPM performance
Frequently Asked Questions
-
Q: Will these fit my 2016 Camaro SS LT1?
A: Yes fits 2016-2023 Chevrolet Camaro SS with 6.2L LT1 engine perfectly -
Q: What material are the valves made from?
A: Constructed from 23-8N stainless steel for superior heat and fatigue resistance -
Q: What is the warranty on these valves?
A: Manley offers a limited lifetime warranty against manufacturing defects
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Foam-lined box 8 x 6 x 3 inches
- Weight: 1.1 lbs
Manley Performance
Manley Performance is a New Jersey-founded engine internals manufacturer stocked at Black Ops Auto Works, supplying forged pistons, connecting rods, valves, and crankshafts across domestic and import platforms. Shop Manley H-Beam and H-Tuff connecting rods, Race Master Series valves, forged crankshafts, and valve springs for Ford Modular and Coyote, Chrysler HEMI, Subaru EJ and FA, Nissan SR20 and 2JZ, Honda B and H-series, and Mitsubishi 4B11T and Mazda MZR platforms. Every product is filterable by year, make, model, and engine code so the correct part ships the first time. Black Ops Auto Works carries 270 Manley Performance SKUs across pistons, rotating assembly, and valvetrain components. About Manley Performance Founded in 1966 by Hank Manley as Manley Speed Equipment, Manley Performance has grown into one of the most established names in high-performance engine internals. From grassroots drag racing roots in New Jersey to a second manufacturing facility in Orange, Californi...
View Manley Performance Products
Valves
Engine valves for import, domestic, and European performance builds are stocked at Black Ops Auto Works. Shop intake valves, exhaust valves, single-groove and triple-groove valves, Inconel and titanium valves, and complete valve sets for 2JZ, RB26, RB25, VR38DETT, K-series, EA888, EA113, FA20, S58, B58, and HEMI 5.4L and 5.7L applications. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 577 valve SKUs across intake, exhaust, and material specification categories. What This Category Covers The Valves category covers replacement and upgraded intake and exhaust valves for naturally aspirated, turbocharged, and supercharged cylinder heads. Coverage spans budget-focused OE-spec valves through race-grade Inconel and titanium valves built for sustained high RPM and boosted horsepower. Categories Included Intake valves, exhaust valves, single valves sold individually, and full valve set...
View Valves Products
Valves & Components
Valves and valvetrain components for import, domestic, and performance engine platforms are stocked at Black Ops Auto Works. Shop intake valves, exhaust valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, and lash caps for Toyota 2JZ and Supra, Honda K-Series, Nissan RB and SR20, BMW B58 and S58, Subaru FA20, Ford Coyote, and GM LS platforms. Every part is filterable by year, make, model, and engine so builders and tuners can confirm fitment before ordering. Black Ops Auto Works carries 1,391 valvetrain SKUs from proven performance brands. What This Category Covers Valves and valvetrain components manage airflow into and out of the combustion chamber and keep the valvetrain sealed and stable at high RPM. This collection spans intake valves, exhaust valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, lash caps, and cam follower shims. Why the Valvetrain Matters for Pe...
View Valves & Components Products