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SPELAB 12-Point Cylinder Gasket Head Stud Bolts Nuts Kit Compatible with Chevy 1997-2003 LS1 LQ9 LS6 4.8L 5.3L 5.7L 6.0L Engines, Cylinder Head Stud Assembly Kit & Assembly Lubricant
✅ In stock
F
Grade
Price verified Sep 21, 2026 4:04 PM · Prices & availability subject to change
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💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
SPELAB
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓【Direct Fit Replacement】 Compatible with Chevrolet 1997-2003 LS LQ9 LS1 LS6 4.8L 5.3L 5.7L 6.0L Engines, 1997-2003 C5 Corvette, Compatible with Camaro/Firebird 1998-2002 F-Body, 1999-2003 Silverado/Sierra, Compatible with GM Trucks (4.8L, 5.3L, 6.0L), Powerstroke models, this part is engineered to enhance your vehicle’s performance. Designed to maximize your vehicle’s performance.Please refer to the vehicle compatibility list above for accurate fitment.
✓【Easy Installation】 Broached stud ends make installation and cylinder head removal effortless. The included manual, with detailed diagrams, simplifies the process. These head studs are built to maintain cylinder seals even in high-pressure turbo systems, offering clamping forces far exceeding standard head bolts.
✓【Kit Includes】The package comes with 10 main bolts, specifications M8*1.25/M8*1, length65 mm; 4 main bolts, thread M11*2, length131 mm;16 locating bolts, thread M11*2, length 186 mm;10 hex nuts, diameter Ф15*3, length 9 mm; 20*Hex nuts Ф19*3 Length 10 mm; 10*Washer Ф14*Ф8.2*2.6;20*Flange washer Ф24*Ф11.4*3.3;1*Lubricating grease; 1*Manual;All parts feature a black oxide finish for enhanced wear resistance, while the washers ensure uniform load distribution and precise torque readings.
✓【ULTRA STRENGTH】 Manufactured from 42CrMo material, these head studs deliver superior tensile strength, far surpassing 8740 chromoly steel studs with a rating of 220,000 psi. Threads are rolled post-heat treatment to maximize fatigue resistance, ensuring sufficient clamping force to prevent cylinder head lifting
✓【Optimum Design】At SPELAB, we prioritize exceptional quality, with comprehensive inspections to ensure the highest level of product performance. This kit is backed by a lifetime warranty, covering replacement in case of manufacturing defects, providing peace of mind and long-term protection for your vehicle
⚙️ Specifications
Material
Stainless Steel
Thread Size
m8-1.25
Exterior Finish
Black Oxide
Manufacturer Grade
heavy-duty
Head Style
Hex
Screw Head Style
Hex
Color
Black
Fastener Type
Stud Bolt, Hexagon Bolt
Thread Type
Metric
Thread Style
Left Hand
Item Hardness
Grade 10.9
