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Item #:
180668225
Painless Performance 60608 Integrated EFI & Chassis Harness for 1997-2004 GM LS1/LS6 with Mechanical Throttle Body
Item #:
180668225
TMT 5728
Price Details
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Order now and get it around Wednesday, September 23
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What Stands Out
Integrated Design
Combines EFI and chassis harness into one streamlined setup, simplifying installation and reducing wiring clutter for a cleaner look and efficient performance in LS1/LS6 conversions.
Compatibility
Tailored specifically for 1997-2004 GM LS1/LS6 engines, ensuring that all components work harmoniously while maximizing performance and reliability over competing generic options.
User-Friendly
Engineered for easy installation with clear labeling and detailed instructions, allowing both novice and experienced users to successfully integrate their mechanical throttle body setups without frustration.
Product Details
| Brand Name | Painless |
| Number of Items | 1 |
| Manufacturer | Painless Performance Products, LLC |
| UPC | 749823606081 |
| Unit Count | 1 Count |
| Global Trade Identification Number | 00749823606081 |
| Included Components | Harness, instructions |
| Item Type Name | Integrated EFI & Chassis Harness for 1997-2004 GM LS1/LS6 with Mechanical Throttle Body |
| Model | 60608 |
| Part Number | 60608 |
| Item Dimensions | 18 x 16 x 10 inches (45.7 x 40.6 x 25.4 cm) |
| Item Weight | 23.8 pounds (10.8 kg) |
| Connector Type | Gm-specific Automotive Connectors |
| Material Type | Copper |
| Cable Type | paired |
| Brand | Painless |
| Material | Copper |
| Item dimensions L x W x H | 18 x 16 x 10 inches (45.7 x 40.6 x 25.4 cm) |
Who Should Buy?
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LS Swap Enthusiasts
Ideal for those performing an LS engine swap, providing a comprehensive wiring solution for seamless integration.
-
Performance Builders
Perfect for builders focused on high-performance setups, enhancing reliability and efficiency of engine management systems.
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DIY Installers
Great for DIY mechanics looking for a straightforward harness that simplifies installation and reduces wiring hassles.
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Budget-Conscious Buyers
Not suitable for individuals with limited budgets seeking cheaper wiring solutions, as this is a premium product.
Product Description
Painless Performance 60608 Integrated EFI & Chassis Harness for 1997-2004 GM LS1/LS6 with Mechanical Throttle Body
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this harness compatible with flex fuel engines?
Answer: No, this harness does not support flex fuel engines. -
Question:
What is included in the kit for installation?
Answer: The kit includes all required terminals and connectors for an easy installation. -
Question:
Can I contact technical support during the installation?
Answer: Yes, you can reach out to our unmatched Technical Support department for assistance.
Painless Wiring Harnesses Editorial Review
Painless Performance 60608 Integrated EFI & Chassis Harness for 1997-2004 GM LS1/LS6 with Mechanical Throttle Body is a top choice for automotive enthusiasts seeking reliable performance. This harness is designed specifically for GM LS1/LS6 engines equipped with mechanical throttle bodies, ensuring a perfect fit and seamless installation, which many users appreciate. The product includes essential components such as the harness and instructions, making the setup process straightforward. Painless is known for its high-quality copper connectors that promise durability and a strong connection, which is crucial for optimal engine performance.
Customer Reviews & Ratings
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Pros
- Designed specifically for GM LS1/LS6 engines
- Includes instructions for easy installation
- Durable copper material for reliability
- Gm-specific connectors ensure proper fit
- Integrated harness simplifies engine swaps
Cons
- Item weight may be cumbersome for some users
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
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“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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TMT 5728
Order now and get it around Wednesday, September 23
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.)
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Features & Benefits
- Integrated EFI/Chassis harness for complete vehicle rewiring.
- Compatible with 1997-2004 LS1 engines and 4L60E transmission.
- Single 26-circuit/7-relay fuse block for simplified installation.
- Includes all necessary terminals and connectors for easy setup.
- Every harness is tested for reliability before shipping.
- American-made with outstanding technical support available.
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