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ATK HP116C-EFI LM7 5.3L EFI Crate Engine – AFR Heads, 500 HP
The ATK HP116C-EFI is a remanufactured GM LM7 5.3L-based crate engine rated 500 HP, with AFR aluminum heads, 10.1:1 compression, hydraulic roller cam, 24X reluctor, internal balance and FiTech EFI.
PERFORMANCE STARTS AT THE CORE
BUILT TO KEEP
EQUIPMENT RUNNING
The ATK HP116C-EFI is a remanufactured GM LM7 5.3L-based crate engine rated 500 HP, with AFR aluminum heads, 10.1:1 compression, hydraulic roller cam, 24X reluctor, internal balance and FiTech EFI.
- Actual Engine Displacement: 5.7L/347
- Advertised Compression Ratio: 10.1:1
- Air Cleaner Included: No
- Assembled: Yes
- Brand: ATK High Performance Engines
Dependablepower →
COMPLETE PRODUCT INFORMATION
Full Product Description
The ATK HP116C-EFI is a remanufactured GM LM7 5.3L-based crate engine rated 500 HP, with AFR aluminum heads, 10.1:1 compression, hydraulic roller cam, 24X reluctor, internal balance and FiTech EFI. Includes heads, balancer, intake, oil pan, plug wires, plugs, throttle body, timing cover and valve covers; air cleaner, carburetor, computer, distributor, flexplate, flywheel, supercharger, water pump and harness are not included.
Specifications
- Brand: ATK High Performance Engines
- Part / Model Number: HP116C-EFI
- Actual Engine Displacement: 5.7L/347
- Advertised Compression Ratio: 10.1:1
- Assembled: Yes
- Cam Style: Hydraulic roller
- Crate Engine Cylinder Head Material: Aluminum
- Crate Engine Family: Chevy LS
- Engine Balance: Internal
- Engine Block Material: Cast iron
- Intake Manifold Style: Fuel Injection
- Notes: 24X reluctor wheel.
- Part Type: Crate Engines
- Product Line: ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI
- Rear Main Seal Style: 1-piece
Included: Cylinder Heads, Harmonic Balancer, Intake Manifold, Oil Pan, Spark Plug Wires, Spark Plugs, Throttle Body, Timing Cover, Valve Covers.
Technical Specifications
Product data| Product | ATK HP116C-EFI LM7 5.3L EFI Crate Engine – AFR Heads, 500 HP |
|---|---|
| SKU | HP116C-EFI |
| Actual Engine Displacement | 5.7L/347 |
| Advertised Compression Ratio | 10.1:1 |
| Air Cleaner Included | No |
| Assembled | Yes |
| Brand | ATK High Performance Engines |
| Cam Style | Hydraulic roller, OE roller |
| Carburetor Included | No |
| Computer Included | No |
| Crate Engine Cylinder Head Material | Aluminum |
| Crate Engine Family | Chevy LS |
| Cylinder Heads Included | Yes |
| Distributor Included | No |
| Engine Balance | Internal |
| Engine Block Material | Cast iron |
| Flexplate Included | No |
| Flywheel Included | No |
| Harmonic Balancer Included | Yes |
| Intake Manifold Included | Yes |
| Intake Manifold Style | Fuel Injection |
| Manufacturer's Part Number | HP116C-EFI |
| Notes | 24X reluctor wheel. |
| Oil Pan Included | Yes |
| Part Type | Crate Engines |
| Product Line | ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI |
| Quantity | Sold individually. |
| Rear Main Seal Style | 1-piece |
| Remanufactured | Yes |
| Spark Plug Wires Included | Yes |
| Spark Plugs Included | Yes |
| Supercharger Included | No |
| Throttle Body Included | Yes |
| Timing Cover Included | Yes |
| UPC | 00653517731570 |
| Valve Covers Included | Yes |
| Water Pump Included | No |
| Wiring Harness Included | No |
Engineered forreal-world performanceHP116C-EFI
DELIVERY & AFTER-SALES INFORMATION
Shipping & Returns
Important information for this product before and after purchase.Heavy or oversized equipment delivery is coordinated according to the product and destination address.
Timing and applicable delivery arrangements are confirmed during checkout or by Kayros Tool support.
Contact Kayros Tool before returning an item so eligibility, product condition, and return instructions can be confirmed.
Overview
The ATK HP116C-EFI is a remanufactured GM LM7 5.3L-based crate engine rated 500 HP, with AFR aluminum heads, 10.1:1 compression, hydraulic roller cam, 24X reluctor, internal balance and FiTech EFI. Includes heads, balancer, intake, oil pan, plug wires, plugs, throttle body, timing cover and valve covers; air cleaner, carburetor, computer, distributor, flexplate, flywheel, supercharger, water pump and harness are not included.
Specifications
- Brand: ATK High Performance Engines
- Part / Model Number: HP116C-EFI
- Actual Engine Displacement: 5.7L/347
- Advertised Compression Ratio: 10.1:1
- Assembled: Yes
- Cam Style: Hydraulic roller
- Crate Engine Cylinder Head Material: Aluminum
- Crate Engine Family: Chevy LS
- Engine Balance: Internal
- Engine Block Material: Cast iron
- Intake Manifold Style: Fuel Injection
- Notes: 24X reluctor wheel.
- Part Type: Crate Engines
- Product Line: ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI
- Rear Main Seal Style: 1-piece
Included: Cylinder Heads, Harmonic Balancer, Intake Manifold, Oil Pan, Spark Plug Wires, Spark Plugs, Throttle Body, Timing Cover, Valve Covers.
Specifications
Actual Engine Displacement: 5.7L/347
Advertised Compression Ratio: 10.1:1
Air Cleaner Included: No
Assembled: Yes
Brand: ATK High Performance Engines
Cam Style: Hydraulic roller, OE roller
Carburetor Included: No
Computer Included: No
Crate Engine Cylinder Head Material: Aluminum
Crate Engine Family: Chevy LS
Cylinder Heads Included: Yes
Distributor Included: No
Engine Balance: Internal
Engine Block Material: Cast iron
Flexplate Included: No
Flywheel Included: No
Harmonic Balancer Included: Yes
Intake Manifold Included: Yes
Intake Manifold Style: Fuel Injection
Manufacturer's Part Number: HP116C-EFI
Notes: 24X reluctor wheel.
Oil Pan Included: Yes
Part Type: Crate Engines
Product Line: ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI
Quantity: Sold individually.
Rear Main Seal Style: 1-piece
Remanufactured: Yes
Spark Plug Wires Included: Yes
Spark Plugs Included: Yes
Supercharger Included: No
Throttle Body Included: Yes
Timing Cover Included: Yes
UPC: 00653517731570
Valve Covers Included: Yes
Water Pump Included: No
Wiring Harness Included: No
Shipping & Returns
NST Cargo coordination: Heavy or oversized equipment delivery is coordinated according to the product and destination address.
Delivery estimate: Timing and applicable arrangements are confirmed during checkout or by Kayros Tool support.
Returns: Contact Kayros Tool before returning an item so eligibility, condition, and instructions can be confirmed.
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ATK HP116C-EFI LM7 5.3L EFI Crate Engine – AFR Heads, 500 HP$5,684.78

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