Chevy 383: 360 HP torque-first street power.
The sweet spot for street builds — more low-to-mid pull than a 350, with small-block packaging. This page covers what’s included and the machine work behind the GOAT 383.
383 is for torque street performance. Strong launch, fun everywhere.
Read why 383 →Open the build spec sections — parts first, then the machine work behind it.
View build spec →Shop the GOAT 383
View the full product page for complete details — or buy now and check out.
At a glance
Quick scan — clean and readable on mobile, still sharp on desktop.
Build specification
Open what you care about, skip what you don’t — no walls of text.
New parts included (quick scan)
- Sealed Power hypereutectic pistons and rings
- Competition Cams performance camshaft
- Fel-Pro gaskets
- Clevite 77 rod, main and cam bearings
- Melling high-volume oil pump, pickup screen and driveshaft
- Valve guides
- Pioneer harmonic balancer, flexplate, performance valve springs, brass freeze plugs and bolts
- Melling push rods and double-roller timing set
- Professional Products polished dual-plane intake manifold (non-EGR)
- Edelbrock 600 cfm carburetor
- HEI distributor, cap/rotor, 50,000V coil
- Accel spark plug wires and Autolite spark plugs
- PCV valve, line and Stant SuperStat thermostat
- Fuel pump and water pump
- Chrome dress: timing cover, timing tab, upper/lower pulley, air cleaner, valve covers, oil pan, dipstick/tube, thermostat housing, distributor hold down, and breather
- GM valve locks/retainers
Note: Always confirm exact included components for your final configuration and vehicle needs.
Professional machine work (what makes it last)
- Engine block, cylinder heads and crankshaft thermally cleaned, shot-blasted, and Magnafluxed
- Crankshafts reground, oil holes chamfered, and micro-polished
- Thorough cleaning including all oil galleys — absolutely clean inside and out
- Blocks bored and honed using torque plates
- New cam custom fitted
- Connecting rods fitted with new bolts and resized
- Rotating assembly Sunnen computer balanced (balance sheet included)
- Cylinder heads completely remanufactured: new guides, new seals, performance 3-angle valve job
- Every engine custom-built (no assembly line) by professionals
- Engine painted with high-gloss engine enamel
Warranty
Why a 383?
A 383 stroker is the street performance sweet spot — more torque than a 350, still packaged like a small block, and built to feel strong where you actually drive.
The “right” reason to pick a 383
- You want stronger low-to-mid pull than a 350 without going big block.
- You want a street build that feels fast in normal driving — not only at high RPM.
- You want torque-forward power that still fits in small-block spaces.
When you might prefer a different displacement
- If you want the rev-happy vintage feel, 327 is a great fit.
- If you want the simplest all-around classic baseline, 350 is hard to beat.
- If you’re moving weight or want big torque everywhere, 454 makes sense.
Chevy 383 FAQ
Fast answers so customers don’t get stuck and bounce.
How much horsepower is this 383 rated for?
Is this a long block or a more complete package?
Does it require a break-in procedure?
What warranty is included?
Can I run pump gas?
Explore other Chevy crate engines
If the 383 isn’t the perfect fit, these are the most common next steps.