Engines and Components› Engines, Blocks and Components

ATK ENGINES

BRG WRNR 1356 TRNSFR CASE

$1,891.81

SKU: A040 UMT415-2

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

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.
Show original supplier description
BRG WRNR 1356 TRNSFR CASE

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandATK ENGINES
Part NumberA040 UMT415-2

Videos

Hp 36 383 stroker from atk engines, open short tube headers first startup.

Hp 36 383 stroker from atk engines, open short tube headers first startup.

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

Returns & Fitment

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.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy