{"product_id":"atk-hp107-chevy-383-stroker-base-engine-525hp","title":"ATK HP107 Chevy 383 Stroker Base Engine 525HP","description":"\u003cp\u003eEngine Specifications: HP: 525 TQ: 515 Block: OE roller block 4 bolt main 1pc seal 1996-2000 Bore\/Stroke: 4.040 x 3.750 Displacement: 383 Crankshaft: Scat 4340 forged external balance rear of crank\/internal balance front of the crank Rods: Scat 4340 forged H beam with ARP 8740 bolts Pistons: Forged 10.2:1` compression Rings: Moly Camshaft: Hyd. roller Cam Specs: 246\/250 @50 .603in\/.609ex 110LSA Timing Chain: Double roller Cylinder Heads: Dart aluminum 70cc\/200cc 2.02\/1.60 Rocker Arms: Billet aluminum 1.6 roller rockers Oil Pan: Moroso 7qt with windage tray #20206 Oil Pump: Melling Flexplate\/Flywheel: Pioneer #FRA-159 external balance 168 tooth (with Scat kit) Recommended Components: Balancer: PowerBond SFI internal balance 8” #PB1046-SS Intake Manifold: Holley strip dominator single plane #300-25 Distributor: Pro billet (Iron gear) Water Pump: Weiand action + long pump #9240 Carburetor: Quick Fuel 750CFM mechanical secondary no choke #Q-750 Fuel Pump: Holley mechanical 110GPH #12-327-11 Spark Plugs: Autolite #3923 Spark Plug Wires: 8mm Engine Info: Oil: Conventional \/ Non Synthetic 10W30 Oil Filter: Wix or K and N per application Timing: 34-36 Degrees Spark Plug Gap: .035” Firing Order: 18436572 Octane: 91+ Stall Converter: 3500+ Exhaust: 1 ¾+ Headers Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. 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.\u003c\/p\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOil: Conventional \/ Non Synthetic 10W30\u003c\/li\u003e\n\u003cli\u003eOil Filter: Wix or K\u0026amp;N\u003c\/li\u003e\n\u003cli\u003eTiming: 34-36 Degrees with vacuum port disconnected\u003c\/li\u003e\n\u003cli\u003eSpark Plug Gap: .035”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 383 cu. in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Manifold Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Pan Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiming Cover Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarmonic Balancer Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexplate Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlywheel Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Type:\u003c\/strong\u003e Iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMFG. Part #:\u003c\/strong\u003e HP107\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold in Quantity:\u003c\/strong\u003e Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ATK Engines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Erise Motors","offers":[{"title":"Default Title","offer_id":67752133165376,"sku":null,"price":5300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1001\/7757\/6256\/files\/35020140_L1450_ad7ced83-ed28-4851-b4e4-786da1696015.jpg?v=1791839238","url":"https:\/\/vorlaxauto.com\/products\/atk-hp107-chevy-383-stroker-base-engine-525hp","provider":"Vorlax Auto","version":"1.0","type":"link"}