Chevy 632 Crate Engine for Sale | Big Block V8 (10.35L)

$14,999.00

Product Overview & Specifications

Displacement: 632 cu in (10.35L)
Engine Family: Chevrolet Big Block V8, 632 Stroker
Configuration: V8 OHV, 16 valves
Horsepower: 1,004 hp
Condition: Used, fully inspected and tested
In Stock, Single Unit Available, Call to Confirm
Free Shipping to All 50 States via Crated Freight
Compression Tested and Run On Engine Stand Before Shipping
Cylinder Head Flow and Compression Numbers Documented
Tuned and Verified Output, Dyno Sheet Available on Request
100% Fitment Verified Before Every Order Ships
No Core Charge, Keep Your Old Engine
15 Day Replacement Warranty on Internal Defects

100% Fitment Assistance

15 Days Replacement Warranty

Free & Fast Shipping

Category: Engine

Description
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About This Engine

The Chevy 632 is the largest displacement big block V8 ever offered in a Chevrolet crate engine package. It produces 1,004 hp and 876 lb-ft of torque from 632 cubic inches of displacement, all naturally aspirated, all on 91 to 93 octane pump gas. No turbo. No supercharger. No nitrous. Just bore, stroke, head flow, and proper tuning. For drag racers, pro touring builders, and hot rodders chasing the highest numbers possible without forced induction, the 632 is the answer.

The bottom end is built around a forged steel crankshaft, heavy-duty forged connecting rods, and forged aluminum pistons in a 4-bolt main cast iron block. The 4.60 inch bore by 4.75 inch stroke combination is what unlocks the 632 cubic inch displacement and the torque curve that makes the engine drivable in a heavy car. High-flow aluminum cylinder heads and a high-rise single-plane intake manifold deliver the airflow needed to make over 1,000 horsepower without exotic fuel.

The Engine That Pulls a 3,500 lb Car Through the Quarter in the High 8s

The 632 is overkill for daily driving and that is the point. This is a build core, a finished show car powerplant, or a no-prep race engine. Drop it in a 1969 Camaro, a 1965 Chevelle, a Pro Mod hot rod, or a heavy-duty truck pulling a sled, and there is more than enough power for any application that does not need forced induction.

Why Builders Choose a Used 632

Cost saving over a brand-new ZZ632 crate motor of $10,000 or more
Already broken in, already proven to make power
Available now, no 12-week build wait time
Use the saved budget for a stronger transmission, fuel system, or chassis prep

What Is Included, What Is Not Included

INCLUDED	Long block: block, forged crankshaft, forged rods, forged pistons, camshaft, heads, valve train, oil pan, intake manifold, valve covers, harmonic balancer. EFI fuel injection rails and throttle body where ordered EFI configuration.
NOT INCLUDED	ECU and engine harness, exhaust headers, starter, alternator, A/C compressor, power steering pump, flexplate or flywheel, motor mounts.
Configuration Options	EFI standard. Carbureted top end available on request, call to discuss. Partially dressed and fully dressed packages available.
Core Note	No core charge. You are not required to return your old engine.

The 632 is a build engine, not a direct factory replacement, but it bolts to standard Chevy big block engine mount locations, BBC bell-housing, and BBC accessory drives. Common applications include:

Drag Race Cars	1967 to 1969 Camaro, 1968 to 1970 Chevelle SS, 1970 to 1973 Trans Am, Plymouth Barracuda, Dodge Challenger
Muscle Car Restomods	1955 to 1957 Bel Air, 1962 to 1965 Impala SS, 1964 to 1972 Chevelle, 1967 to 1969 Firebird, 1971 to 1974 Charger
Street Rods and Hot Rods	1932 Ford, 1937 Chevy, Tri-Five Chevys, T-Bucket builds, custom roadsters
Trucks	Chevy C10 (1967 to 1987), GMC C1500, Ford F-100 swap, Dodge D100 swap
Off-Road and Sand	Custom buggies, sand rails, mud trucks
Pro Touring Builds	Factory Five Cobra, Ultima GTR, custom kit cars rated for big block power

Transmission compatibility: TH400 (most common, strongest pairing for high horsepower), 4L80E, 4L85E, Powerglide (drag), Tremec TKO 600, Tremec Magnum 6-speed, Muncie M22 manual.

Every 632 we ship goes through this process:

Run on engine stand to confirm operation, oil pressure, and ignition timing
Compression test across all 8 cylinders, pressure per cylinder recorded
Visual inspection of block deck, head surfaces, and bottom end
Camshaft and lifter pre-load verified
Valve train inspection, lash and rocker geometry confirmed
Harmonic balancer and timing cover inspected for runout
Dyno sheet provided when available

engine-family	632 Stroker, Chevrolet Big Block V8
configuration	16 valves, V8 OHV
displacement	632 cu in (10.35L)
bore-x-stroke	4.60 in x 4.75 in
compression-ratio	10.0:1
aspiration	Naturally Aspirated
fuel-system	Electronic Fuel Injection (EFI)
fuel-type	91 to 93 octane required, Gasoline
valve-train	Hydraulic Roller Camshaft
block	4-bolt mains, Cast iron
heads	Aluminum, rectangular port high flow
crankshaft	Forged steel
rods	Heavy duty forged
pistons	Forged aluminum
cooling-system	Liquid cooled
electrical-system	12 volt, high-output ignition
horsepower	004 hp, 1
torque	876 lb-ft
condition	fully inspected and tested, Used

FAQs

Can the 632 be used as a daily driver?

Yes, with the right supporting components. A 632 in a heavy chassis like a 1970 Chevelle is street-friendly when paired with a properly tuned EFI calibration, a TH400 or 4L80E with a moderate stall converter, 3.55 or 3.73 gears, and a quality fuel system. It is overkill for grocery runs but very drivable.

What octane fuel does the 632 require?

91 octane minimum, 93 octane preferred for stock tune. The 10.0:1 compression ratio is friendly to pump gas, which is one of the strengths of this build over higher-compression race engines that demand race fuel.

Can the 632 be customized?

Yes. Cam profile, head spec, EFI versus carb, intake choice, dressing level, accessory drive, and ignition can all be customized.

What transmission pairs best with the 632?

TH400 is the strongest classic GM automatic and is the most common pairing. 4L80E and 4L85E add overdrive for street use. For manuals, Tremec TKO 600 and Tremec Magnum 6-speed handle the torque. Call to discuss the right combination for your build.

How heavy is the 632 crate engine?

Approximately 700 to 770 lbs depending on dressing level. Plan your engine hoist, motor mounts, and chassis bracing accordingly.

Is this engine streetable in older vehicles like a 1969 Camaro?

Yes. With a proper rear gear, transmission, and cooling, the 632 fits classic muscle car platforms with standard BBC mount locations. Hood clearance with a high-rise intake should be confirmed before order, call us.

How does shipping work?

Free crated freight delivery to all 50 US states. Typical transit is 5 to 10 business days. We use specialty diesel and high-value engine carriers for an engine of this value.