$275 Shipping
$275 Shipping
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#35020068
$7,499.00
/each
Factory Shipped
Quantity
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Short Block Crate Engine Type, Internal Engine Balance
| Crate Engine Type | Short Block |
| Engine Displacement | 6.8 liters |
| Camshaft Type | Hydraulic Roller |
| Piston Material | Forged Aluminum |
| Crankshaft Material | Forged 4340 Steel |
Made to Order
This custom item will ship when completed
Truck Shipment
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Return PolicyThis short block is built for engines that are going to be running Boost or Nitrous. It has upgraded ARP main studs, ARP 2000 rod bolts and Total Seal CS AP ring package with Steel rings gapped accordingly for engines pushing 10+ PSI. This short block is good for up to 900HP.
Engine Specifications:
Recommended Components:
Engine Info:
Notes:
Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.
Follow EPA, CARB, and state regulations for engine changes
WARNING:
Cancer and Reproductive Harm – www.P65Warnings.ca.gov
| KEY SPECS | |
|---|---|
| MFG. Part # | SP71-B |
| Brand | ATK Engines |
| Crate Engine Type | Short Block |
| Engine Displacement | 6.8 liters |
| Camshaft Type | Hydraulic Roller |
| Piston Material | Forged Aluminum |
| Crankshaft Material | Forged 4340 Steel |
| Carburetor Included | No |
| Intake Manifold Included | No |
| Distributor Included | No |
| Connecting Rod Material | Forged 4340 Steel |
| Valve Covers Included | No |
| Engine Balance | Internal |
| Cylinder Heads Included | No |
| Rear Main Seal Style | 1-piece |
| Throttle Body Included | No |
| Timing Cover Included | No |
| Oil Pan Included | No |
| Water Pump Included | No |
| Harmonic Balancer Included | No |
| Flexplate Included | No |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | No |
| Spark Plug Wires Included | No |
| Computer Included | No |
| Wiring Harness Included | No |
| Reluctor Wheel | 58x |
| GENERAL | |
| Combustion Chamber Volume | 64cc |
| Bore x Stroke (in) | 4.040" x 3.750" |
| Assembled | Yes |
| Material Type | Aluminum |
| GTIN Code | 00653517725203 |
| Notes | LS3 block with 4.065 in. bore and 4.000 in. stroke, +10cc dished pistons and 58 tooth reluctor. Boost/nitrous ready with Manley forged 6.125 in. connecting rods, upgraded ARP main studs, ARP 2000 rod bolts and Total Seal CS AP ring package with steel top ring. Designed for applications with 10+ psi boost. |
| Sold in Quantity | Each |
| Connecting Rod Beam Style | I-Beam |
| Deck Height | 9.24" |
| Main Bolt Style | 6-bolt |
| Piston Style | Dish |
| Main Journal Type | Chevy LS |
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