ATK Engines SP35 Chevy 383 Stroker Race Series Short Block

ATK High Performance Chevy 383 Stroker Race Series Short Blocks Hardcore engines need a hardcore bottom end; that’s why ATK High Performance developed these Chevy 383 Stroker Race Series short blocks. These short blocks are built around the strongest components available so that they can handle serious horsepower for your race car or hardcore street machine.These ATK High Performance Chevy 383 Stroker Race Series short blocks include the following:* Handpicked and seasoned 4-bolt main block* Aligned and honed main bores* Forged 4340 crankshaft* 3.75 in. stroke* Forge H-beam connecting rods* Forged dish top pistons

Highlights

• Block: New GM LT1/LT4
• Bore/Stroke: 4.065” x 4.000”
• Displacement (cu.in): 416 CID
• Crankshaft: Manley 4340 forged 58 tooth reluctor wheel
• Rods: Manley 4340 forged H beam 6.125” ARP 2000 bolts

Specifications

• Engine Displacement: 383 cu. in.
• Piston Material: Forged Aluminum
• Crankshaft Material: Forged Steel
• Intake Manifold Included: No
• Connecting Rod Material: Forged 4340 Steel
• Assembled: Yes
• Oil Pan Included: No
• Water Pump Included: No
• Harmonic Balancer Included: No
• Flexplate Included: No
• Flywheel Included: No
• Material Type: Cast Iron
• MFG. Part #: SP35
• Notes: Piston has two valve reliefs. Requires weighted flexplate/flywheel and non weighted harmonic balancer. Small base circle cam may be required.
• Sold in Quantity: Each
• Connecting Rod Beam Style: H-Beam
• Piston Style: Flat Top
• Brand: ATK Engines

Emissions Notice

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine