ATK High Performance Chevy LS 364 Short Blocks SP94-G4

$2,438.00

Short Block, Chevrolet LS Gen IV 364, Internally Balanced, 24 Tooth Reluctor, +11cc Dish Pistons, Each

Overview

Name: ATK High Performance Chevy LS 364 Short Blocks SP94-G4 - X Factors Motorsports
Price: 2438.00 USD
Availability: InStock

Brand: ATK High Performance Engines

Manufacturer’s Part Number: SP94-G4

Part Type: Short Block Engines

Product Line: ATK High Performance Chevy LS 364 Short Blocks

Summit Racing Part Number: HPE-SP94-G4

UPC: 653517518492

Crate Engine Family: Chevy LS

Actual Engine Displacement: 6.0L/364

Rear Main Seal Style: 1-piece

Crankshaft Material: Cast steel

Piston Material: Forged aluminum

Short Block Piston Style: Dish

Connecting Rod Material: Forged 4340 steel

Connecting Rod Beam Style: I-beam

Engine Block Material: Cast iron

Main Bolt Style: 6-bolt

Main Journal Type: Chevy LS

Deck Height (in.): 9.240 in.

Engine Balance: Internal

Oil Pan Included: No

Timing Cover Included: No

Harmonic Balancer Included: No

Flexplate Included: No

Flywheel Included: No

Assembled: Yes

Remanufactured: Yes

Quantity: Sold individually.

Notes: GM 6.0L Gen IV block with 4.000 in. bore and 3.622 in. stroke, -11cc dish pistons and 24 tooth reluctor. Naturally aspirated applications. Includes Scat forged 6.125 in. I-Beam connecting rods, ARP 8740 rod bolts, and Wiseco GFX rings.

ATK High Performance Chevy LS 364 Short Blocks

ATK High Performance Chevy LS 364 short blocks are 100 percent GM Gen IV blocks. They are built for all motor builds with higher compression, but with the option of running pump gas they will hold up to 700 hp. ATK takes the hard work out of your project by selling blocks that are ready to complete yourself. Every great build needs a solid foundation. Start yours with one of ATK’s Chevy LS 364 short blocks.

Technical specifications:

* For naturally aspirated engines
* Block: GM 6.0L iron Gen IV
* Bore/stroke: 4.000 x 3.622
* Displacement: 364 c.i.d.
* Crankshaft: OE reground 3.622 in. internally balanced 24 tooth
* Connecting rods: Scat 4340 forged I-beam with ARP 8740 bolts
* Pistons: Wiseco 2618 forged (dished or flat top)
* Piston rings: Wiseco GFX with steel top ring
* Compression ratio: 64cc = 9.7:1, 68cc = 9.3:1, 72cc = 8.9:1 (can vary due to deck height/gasket thickness)
* Camshaft bearings: Installed and clocked to OEM position
* Freeze plugs: Brass installed and sealed
* Oil galley plugs: Installed and sealed
* Weight: 285 lbs.

Applications

Make: CHEVROLET

Engine Type: V8

Engine Size: 6.0L/364

Engine Family: Chevy small block Gen III/IV (LS-based engines)

Application Notes: GM 6.0L Gen IV block with 4.000 in. bore and 3.622 in. stroke, -11cc dish pistons and 24 tooth reluctor. Naturally aspirated applications. Includes Scat forged 6.125 in. I-Beam connecting rods, ARP 8740 rod bolts, and Wiseco GFX rings.

Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.

1. Processing Time

Orders are typically processed within 1–2 business days after payment is confirmed.
Orders placed on weekends or holidays will be processed on the next business day.

2. Delivery Times

Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.
International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.

3. Shipping Rates

United States: Free standard shipping on all orders.
International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.

4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

ATK High Performance Chevy LS 364 Short Blocks SP94-G4

Overview

Applications

1. Processing Time

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ATK High Performance Chevy LS 364 Short Blocks SP94-G4

Overview

Applications

1. Processing Time

2. Delivery Times

3. Shipping Rates

4. Carriers Used

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