- Home Page /
- Automotive /
- Automotive Replacement Parts /
- Engines & Engine Parts /
- Engine Parts /
- Head Bolt Sets /
- Chevrolet Performance 12498545 Bolt Kit Cylin...
0 ratings
Item #:
55183417
Chevrolet Performance 12498545 Bolt Kit Cylinder HeadLS1
Item #:
55183417
NZD 127
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
Afterpay Information
Split your bill into 4 payments of NZD 31.75 interest-free
Add the item to your cart
Select Afterpay at checkout
Fill in your details
Complete your first payment
and pay the remaining in easy instalments or according to the payment plan you selected
Here’s why you should Afterpay it
Get everything you need now..
Shop thousands of brands and millions of products, online and in-store.
Pay over six weeks.
Make the first payment upfront and the rest over time. Always interest-free when you pay it in 4.
No fees when you pay on time.
We’ll send you reminders and cap late payments to help you get back on track.
(1) Terms and conditions. apply. (2) Installment Agreement. (3) Eligible for customers in. New Zealand, (4) Your final payment plan may vary depending on your credit history.
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Tuesday, August 04
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Chevrolet Performance Cylinder Head Bolts are crucial to proper jointing of the cylinder head to the block, designed to withstand rigorous specifications for worry-free engine building.
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Durable Construction
Crafted from high-quality materials, this bolt kit ensures long-lasting performance and reliability, reducing the likelihood of wear and tear in demanding engine environments.
Perfect Fit
Designed specifically for LS1 cylinder heads, this bolt kit guarantees precise compatibility, eliminating installation hassles and providing peace of mind for car enthusiasts and mechanics alike.
Performance Enhancer
Optimizes cylinder head assembly, contributing to improved engine efficiency and power output, making it an excellent choice for those seeking enhanced performance in their Chevrolet vehicles.
Product Details
| Thread Size | M12x1.25 |
| Exterior Finish | Painted |
| Manufacturer Grade | Premium |
| Screw Head Style | Flat |
| Color | Silver |
| Fastener Type | Screw |
| Thread Style | Right Hand |
| Item Hardness | Grade 10.9 |
| Head Type | Hex |
| Thread Class | 3B |
| Maximum Shear Strength | 200 MPa |
| Part Interchange Info | 12498545 |
| Set Screw Thread Type | Metric Fine |
| Compatible Groove Diameter | 12 Millimeters |
| Material Type | Aluminum, Iron |
| Metal Type | Aluminum, Iron |
| Size Name | Stock |
| Number of Pieces | 1 |
| Item Dimensions | 6.3 x 3.9 x 3.7 inches (16 x 9.9 x 9.4 cm) |
| Brand | Chevrolet |
| UPC | 099998160186 |
| Manufacturer | Chevrolet Performance |
| Number Of Items | 1 |
| Model | 12498545 |
| Part Number | 12498545 |
| Unit Count | 1.0 Count |
| Included Components | GM Performance |
| Item Type Name | Bolt Kit Cylinder HeadLS1 |
| Material | Aluminum, Iron |
| Head Style | Flat |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
-
Engine Builders
Ideal for professionals assembling LS1 engines, ensuring a secure and reliable cylinder head attachment.
-
Performance Enthusiasts
Great for car enthusiasts upgrading or replacing cylinder heads for enhanced performance in their LS1 engines.
-
Precision Mechanics
Useful for mechanics who require high-quality bolting solutions for precise engine builds and enhancements.
-
Casual Drivers
Not ideal for everyday drivers looking for general vehicle maintenance or low-performance upgrades.
Product Description
Chevrolet Performance 12498545 Bolt Kit Cylinder HeadLS1
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is included in the Chevrolet Performance 12498545 Bolt Kit Cylinder HeadLS1?
Answer: The Chevrolet Performance 12498545 Bolt Kit includes a comprehensive set of high-quality bolts designed specifically for LS1 cylinder heads. This ensures that all components fit seamlessly, promoting optimal performance and reliability. The kit typically contains head bolts, washers, and any necessary hardware to secure the cylinder head to the engine block. This is crucial for maintain engine integrity and preventing leaks, especially during high-performance applications. -
Question:
Can I use the Chevrolet Performance 12498545 Bolt Kit for other LS engine variants?
Answer: While the Chevrolet Performance 12498545 Bolt Kit is designed for LS1 applications, it can be compatible with some other LS engine variants, depending on the specific engine configuration. However, it's essential to confirm compatibility to ensure proper fitment and performance. Using the right bolt kit can protect your engine from issues such as head gasket failure or leakage, which are common concerns in high-performance builds. -
Question:
What are the benefits of using a Chevrolet Performance Bolt Kit?
Answer: Using a Chevrolet Performance Bolt Kit guarantees precision and reliability for your LS1 engine. These bolts are engineered to withstand high torque and have a higher tensile strength compared to generic bolts. This is particularly important in high-performance settings where the engine operates under extreme conditions. By ensuring a tight seal and stable head attachment, you help maintain engine performance and longevity. -
Question:
Is the Chevrolet Performance 12498545 Bolt Kit reusable?
Answer: The Chevrolet Performance 12498545 Bolt Kit is not recommended for reuse once it has been torqued and used in an installation. Bolts experience stress and potential fatigue when torqued, which can compromise their integrity if reused. It’s best practice to always replace head bolts to ensure the highest levels of engine performance and safety, especially in performance applications where reliability is critical. -
Question:
What should I consider when installing the Chevrolet Performance Bolt Kit?
Answer: When installing the Chevrolet Performance 12498545 Bolt Kit, it’s essential to use the correct torque specifications and patterns recommended by Chevrolet. Proper torque is crucial to achieve an even seal and prevent warping of the cylinder heads. Additionally, ensure that the engine block and cylinder heads are clean and free from debris for optimal performance. Consider having a professional mechanic perform the installation for the best results, particularly if you're working on a high-performance engine. -
Question:
Are installation tools included with the Chevrolet Performance Bolt Kit?
Answer: The Chevrolet Performance 12498545 Bolt Kit typically does not include installation tools. You will need standard tools such as a torque wrench, socket set, and possibly a ratchet to install the bolts. Having the right tools on hand will ensure a smooth installation process, thus preventing issues that can arise from inappropriate handling. If unsure about the installation procedure or tools, consulting knowledgeable mechanics can provide added assurance. -
Question:
What is the expected lifespan of the Chevrolet Performance Bolt Kit?
Answer: The lifespan of the Chevrolet Performance 12498545 Bolt Kit largely depends on the usage conditions and maintenance of the engine. In typical usage scenarios, when installed correctly, they can last for many engine cycles without issue. However, in high-performance applications or racing conditions, constant high stress may demand more frequent replacements. Regularly checking your engine condition and bolt integrity can help assess when to replace them to maintain engine health. -
Question:
How does the Chevrolet Performance Bolt Kit enhance engine performance?
Answer: Using the Chevrolet Performance 12498545 Bolt Kit enhances engine performance by providing superior clamping force and uniformity when securing cylinder heads. This forces the combustion gases to stay contained, maximizing engine efficiency and output. The precision engineering of these bolts also aids in maintaining proper alignment, which is critical during high-rev situations. This leads to better fuel combustion, efficiency, and overall performance of the LS1 engine. -
Question:
Can I buy Chevrolet Performance 12498545 Bolt Kit Cylinder HeadLS1 in New Zealand?
Answer: Yes, you can purchase the Chevrolet Performance 12498545 Bolt Kit Cylinder HeadLS1 in New Zealand. One of the best options available is Ubuy, where you can find a selection of automotive products, including this bolt kit. Ubuy offers a reliable platform with user-friendly navigation, providing an efficient shopping experience for automotive enthusiasts looking for performance parts.
Chevrolet Head Bolt Sets Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
0%
-
4 Star
100%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
RA
Ranee
Verified buyer
“Paint ordered from USA, u buy got the product to me in New Zealand in approx a week”
22 July 2026 · via Trustpilot
NC
NordVPN
Verified buyer
“very speedy delivery,tracking info was superb-best experikence ever!!!”
24 June 2026 · via Trustpilot
NH
Nicholas
Verified buyer
“Love what I received and ordered found that usa clothes are more better quality and look better than the same clothes in my country but are harder to find here recommend ubuy 100%”
22 June 2026 · via Trustpilot
D
Dneah
Verified buyer
“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”
15-Jul-26 · via Trustpilot
TS
Tania
Verified buyer
“Easy to order, easy to track and the product is great to use. Also, the person-to-person (not automated) phone call I got to confirm that I'd received the item was wonderful ??”
11-Jul-26 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
NZD 127
Order now and get it around Tuesday, August 04
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Engineered for exact tolerances and reliability.
- Ideal for iron or aluminum cylinder heads.
- Essential for proper cylinder head installation.
- Manufactured to meet rigorous specifications.
- Perfect for street, hot rod, or race engines.
- Made in the United States with quality assurance.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.