Engines and Components Engines, Blocks and Components

GM Performance

REMANUFACTURED ENGINE

$2,952.50

SKU: G03V 89038389

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

Advanced — 4+ hours

Description

The SP383 Deluxe Crate Engine delivers 435 hp @ 5,600 rpm and 445 lb.-ft. of torque @ 4,600 rpm. It incorporates LS-inspired valvetrain technology for an expanded rpm range. Features include lightweight aluminum cylinder heads, a forged steel stroker crankshaft, an aggressive hydraulic roller camshaft, and a high-flow aluminum single-plane intake manifold. It comes with the intake manifold, carburetor, distributor, front-end accessory kit, crankshaft balancer, chrome air cleaner, starter, water pump, and spark plug wires pre-installed, though some assembly is required. This engine is intended for competition use only and requires externally balanced flexplate (automatic) or flywheel (manual) and a fuel line from the fuel pump to the carburetor. Not for marine applications. Recommended engine oil: Mobil 1. A distributor with a melonized steel gear is required for steel camshafts to prevent damage.

Fitment

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Specifications

BrandGM Performance
Part NumberG03V 89038389

Buy with Confidence

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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