Engines and Components Engines, Blocks and Components

ATK ENGINES

BRG WRNR 1356 TRNSFR CASE

$2,016.12

SKU: A040 UMT415-2

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This ATK High Performance GM 383 Stroker Complete Engine produces 415 horsepower and 460 ft-lbs of torque. It features an OE roller block, 4-bolt main, 1-piece rear seal, suitable for 1996-2000 applications. It includes a Scat Nodular Iron crankshaft, Scat I-Beam 5.7” rods with ARP 8740 bolts, hypereutectic 9.7:1 compression pistons, and moly rings. The engine is equipped with a hydraulic roller camshaft (220/224 @50, .528in/.536ex, 110LSA), double roller timing chain, and ATK HP aluminum 64cc/195cc cylinder heads with 2.020 in. /1.600 ex. valves. Other components include billet aluminum roller rockers (1.6 ratio), Melling STD volume oil pump, and Billet Specialties cast aluminum polished “Chevrolet” valve covers. It comes with a 14”x 3” Super Flow air cleaner system, externally balanced flexplate/flywheel, internally balanced balancer, ATK dual plane intake, black HEI distributor (iron gear), OE long water pump, chrome thermostat housing with a 180-degree thermostat, Quick Fuel 670CFM carburetor, mechanical fuel pump, dual inlet AN stainless fuel line, Autolite #3923 spark plugs, and 8mm spark plug wires.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 UMT415-2

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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