400 Small Block Engines

Scroll below to view current listings for 400 small block engines.

Past listings include:

  • Stock re manufactured 400 Chevrolet engine. This is a stock replacement 400 small block. The engine has been completely re manufactured. This included being bored, honed, cleaned, new cam bearings, pistons, rings, rod and main bearings.

    New RV camshaft with lifters, and double roller timing set. Complete gasket set, and oil pump. The crank has been turned and the block decked. The cylinder heads have had a 3 angle valve job, new seals, and re surfaced. Block casting is 330817 Head casting is 3978498 The engine comes with a 3yr/36000 nationwide parts and labor warranty.

New Small Block Chevy Engine Lift Plate 327 350 400 Heavy Duty 3 16 Steel LPU
New Small Block Chevy Engine Lift Plate 327 350 400 Heavy Duty 3 16 Steel LPU
$13.99
Time Remaining: 26d 18h 9m
Buy It Now for only: $13.99

Chevy 400 HP 383 Stroker Engine Motor with GM High Flow Heads
Chevy 400 HP 383 Stroker Engine Motor with GM High Flow Heads
$2,450.00
Time Remaining: 6d 22h 6m
Buy It Now for only: $2,450.00

Chevy 400 HP 383 Stroker Engine Motor with GM High Flow Heads
Chevy 400 HP 383 Stroker Engine Motor with GM High Flow Heads
$2,450.00
Time Remaining: 6d 22h 6m
Buy It Now for only: $2,450.00

400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
$2,450.00
Time Remaining: 6d 4h 56m
Buy It Now for only: $2,450.00

Chevy 400 HP 383 Stroker Engine Motor with GM High Flow Heads
Chevy 400 HP 383 Stroker Engine Motor with GM High Flow Heads
$3,100.00
Time Remaining: 3d 20h 13m
Buy It Now for only: $3,100.00

CHEVY 400 70 78 REMANUFACTURED ENGINE
CHEVY 400 70 78 REMANUFACTURED ENGINE
$2,429.00
Time Remaining: 8d 19h 24m
Buy It Now for only: $2,429.00

400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
$2,450.00
Time Remaining: 5d 15h 45m
Buy It Now for only: $2,450.00

400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
$2,650.00
Time Remaining: 6d 22h 7m
Buy It Now for only: $2,650.00

400 HP 383 Chevy Stroker Engine Motor with Vortec Heads and Roller Rockers
400 HP 383 Chevy Stroker Engine Motor with Vortec Heads and Roller Rockers
$2,650.00
Time Remaining: 4d 21h 36m
Buy It Now for only: $2,650.00

400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
$2,450.00
Time Remaining: 6d 17h 24m
Buy It Now for only: $2,450.00

CHEVY 350 HI PERFORMANCE ENGINE TURN KEY 400 HP BY CRICKET CR EHO 28
CHEVY 350 HI PERFORMANCE ENGINE TURN KEY 400 HP BY CRICKET CR EHO 28
$4,495.00
Time Remaining: 29d 13h 24m
Buy It Now for only: $4,495.00

400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
$2,800.00
Time Remaining: 6d 20h 51m
Buy It Now for only: $2,800.00

400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
$3,565.00
Time Remaining: 6d 22h 5m
Buy It Now for only: $3,565.00

Small Block Chevy Engine Cylinder Flex Hone 350 383 400
Small Block Chevy Engine Cylinder Flex Hone 350 383 400
$37.99
Time Remaining: 28d 3h 35m
Buy It Now for only: $37.99

400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
400 HP 383 Chevy Stroker Engine Motor with GM High Flow Heads
$2,450.00
Time Remaining: 5d 5h 11m
Buy It Now for only: $2,450.00

400 Small Block Chevy Engine Block Machined 30 Over
400 Small Block Chevy Engine Block Machined 30 Over
$250.00
Time Remaining: 9d 2h 26m
Buy It Now for only: $250.00

S B CHEVY 383 ROLLER STROKER TURN KEY ENGINE 400 + HP LOADED CR EHRB 61
S B CHEVY 383 ROLLER STROKER TURN KEY ENGINE 400 + HP LOADED CR EHRB 61
$5,495.00
Time Remaining: 2d 13h 16m
Buy It Now for only: $5,495.00

383 STROKER CHEVY ENGINE BY CRICKET 400 + HP CR EHRO15
383 STROKER CHEVY ENGINE BY CRICKET 400 + HP CR EHRO15
$4,495.00
Time Remaining: 1d 11h 53m
Buy It Now for only: $4,495.00

CHEVY 350 326hp TURN KEY CRATE PONTIAC REPLACEMENT ENGINE GM 389 400 455 Code30
CHEVY 350 326hp TURN KEY CRATE PONTIAC REPLACEMENT ENGINE GM 389 400 455 Code30
$3,095.00
Time Remaining: 17h 7m
Buy It Now for only: $3,095.00

1978 Chevy 66 400 complete running engine WILL SHIP
1978 Chevy 66 400 complete running engine WILL SHIP
$995.00
Time Remaining: 28d 17h 43m
Buy It Now for only: $995.00

1971 Chevy 372 Vintage Engine Tech Info Article De Stroked 400 377
1971 Chevy 372 Vintage Engine Tech Info Article De Stroked 400 377
$11.99
Time Remaining: 9d 4h 11m
Buy It Now for only: $11.99

CHEVY TURN KEY SBC 400 406 STAGE 30 DART BLOCK CRATE MOTOR 540 hp
CHEVY TURN KEY SBC 400 406 STAGE 30 DART BLOCK CRATE MOTOR 540 hp
$6,585.00
Time Remaining: 19d 4h 8m
Buy It Now for only: $6,585.00

CHEVY 383 440HP 425FTLBS STROKER ENGINE 350 305 400
CHEVY 383 440HP 425FTLBS STROKER ENGINE 350 305 400
$2,795.00
Time Remaining: 8d 16h 35m
Buy It Now for only: $2,795.00

omc stringer 400 800 chevy engine coupler 25 30 38 50 57 fresh water
omc stringer 400 800 chevy engine coupler 25 30 38 50 57 fresh water
$50.00
Time Remaining: 6h 41m

Chevy Stroker 434 Shortblock Engine Starting With A New GM 400 Bowtie Block
Chevy Stroker 434 Shortblock Engine Starting With A New GM 400 Bowtie Block
$4,677.88
Time Remaining: 18d 22h 19m
Buy It Now for only: $4,677.88

NEW in Box Small Block Chevy Engine Pro Rough Idle 305 350 400 Cam 480 Lift
NEW in Box Small Block Chevy Engine Pro Rough Idle 305 350 400 Cam 480 Lift
$79.99
Time Remaining: 2d 7h 15m
Buy It Now for only: $79.99

2005 Chevy High Performance 400HP Engine Swap Details Crate Engines Braking
2005 Chevy High Performance 400HP Engine Swap Details Crate Engines Braking
$2.60
Time Remaining: 22d 20h 54m
Buy It Now for only: $2.60

Engine Pro Head Bolt Set Chevy 305 327 350 400 Head Bolt Set HD
Engine Pro Head Bolt Set Chevy 305 327 350 400 Head Bolt Set HD
$29.99
Time Remaining: 19d 2h 56m
Buy It Now for only: $29.99

GM 19318604 CT400 GM Sealed 604 Chevy Crate Engine
GM 19318604 CT400 GM Sealed 604 Chevy Crate Engine
$6,344.99
Time Remaining: 28d 22h 18m
Buy It Now for only: $6,344.99

2001 Chevy Silverado GMC Sierra 4L60E 4WD Automatic Transmission 53L Engine
2001 Chevy Silverado GMC Sierra 4L60E 4WD Automatic Transmission 53L Engine
$649.95
Time Remaining: 26d 18h 59m
Buy It Now for only: $649.95

Blueprint Engines BP4001CTC1 Small Block Chevy 400ci Dress Engine 460HP 470TQ
Blueprint Engines BP4001CTC1 Small Block Chevy 400ci Dress Engine 460HP 470TQ
$5,699.00
Time Remaining: 12d 14h 41m
Buy It Now for only: $5,699.00

Chevrolet 400hp 327 Chevy Turn Key Crate Engine
Chevrolet 400hp 327 Chevy Turn Key Crate Engine
$10,575.00
Time Remaining: 21d 18h 43m
Buy It Now for only: $10,575.00

99 to 06 Chevy Silverado GMC Sierra 4L80E 4WD Automatic Transmission 60 Engine
99 to 06 Chevy Silverado GMC Sierra 4L80E 4WD Automatic Transmission 60 Engine
$799.95
Time Remaining: 22d 14h 41m
Buy It Now for only: $799.95

Blueprint Engines BP4001CT1 Small Block Chevy 400ci Base Engine460HP 470TQ
Blueprint Engines BP4001CT1 Small Block Chevy 400ci Base Engine460HP 470TQ
$4,999.00
Time Remaining: 12d 14h 41m
Buy It Now for only: $4,999.00

CHEVY SBC 400 406 STAGE 30 DART BLOCK CRATE MOTOR 540 hp BASE
CHEVY SBC 400 406 STAGE 30 DART BLOCK CRATE MOTOR 540 hp BASE
$5,495.00
Time Remaining: 23d 21h 3m
Buy It Now for only: $5,495.00

Blueprint Engines BP4002CT1 Small Block Chevy 400ci Base Engine508HP 473TQ
Blueprint Engines BP4002CT1 Small Block Chevy 400ci Base Engine508HP 473TQ
$6,199.00
Time Remaining: 12d 14h 41m
Buy It Now for only: $6,199.00

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