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Dart

SBC IR/BLK SHP 9.025-4.125-350

$1,956.91

SKU: D00Q U31161211

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
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Overview

Dart SHP block designed for high performance and heavy-duty applications. Ideal for hot rodders, drag racers, circle track competitors, off-roaders, and high-performance marine enthusiasts. Features: brand new precision-machined cast iron block, Siamese bores 4.000" or 4.125" (unfinished), extra thick decks for reliable head gasket seal, blind head bolt holes (don't go through to water jacket), clearance for 3.75" stroke with steel rods, 350 main journals for common crankshafts, splayed outer bolts on middle main bearing caps to prevent cracks. Uses standard two-piece rear main seal or option for one-piece seal. Provisions for OE stock roller lifters and cams. Uses 1981-1985 stock style oil pan and dipstick. Uses stock stamped steel or plastic timing cover. All OE bolt holes for starter, clutch ball, etc. Priority main oiling system directs oil to main bearings first for dependable lubrication.
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SBC IR/BLK SHP 9.025-4.125-350

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.

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Specifications

BrandDart
Part NumberD00Q U31161211

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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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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.

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