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.
Small Block Chevy Engine Cylinder Flex Hone 350 383 400
Small Block Chevy Engine Cylinder Flex Hone 350 383 400
$37.99
Time Remaining: 27d 16h 9m
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: 1d 13h 13m
Buy It Now for only: $2,450.00

CHEVY 383 440HP 425FTLBS STROKER ENGINE 350 305 400
CHEVY 383 440HP 425FTLBS STROKER ENGINE 350 305 400
$2,795.00
Time Remaining: 9d 14h 51m
Buy It Now for only: $2,795.00

SMALL BLOCK 400 CHEVY HIGH PERFORMANCE ENGINE REBUILT DYNO TESTED 504TQ 434HP
SMALL BLOCK 400 CHEVY HIGH PERFORMANCE ENGINE REBUILT DYNO TESTED 504TQ 434HP
$5,500.00
Time Remaining: 5d 13h 44m
Buy It Now for only: $5,500.00

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: 10d 17h 49m
Buy It Now for only: $4,677.88

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: 22d 22h 47m
Buy It Now for only: $3,095.00

Distributor Chevy 1973 400 cubic inch engine 1112166
Distributor Chevy 1973 400 cubic inch engine 1112166
$12.95
Time Remaining: 1d 23h 4m

2002 Chevy Silverado GMC Sierra 4L60 4WD Automatic Transmission 48 53 Engine
2002 Chevy Silverado GMC Sierra 4L60 4WD Automatic Transmission 48 53 Engine
$699.95
Time Remaining: 26d 11h 53m
Buy It Now for only: $699.95

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
$5,475.00
Time Remaining: 15d 16h 33m
Buy It Now for only: $5,475.00

Allstar Perf Locking Transmission Dipstick Turbo 400 T400 Chevy Engine 69112
Allstar Perf Locking Transmission Dipstick Turbo 400 T400 Chevy Engine 69112
$39.99
Time Remaining: 26d 18h 43m
Buy It Now for only: $39.99

Small Block Chevy Engine Build Ups Performance Horsepower 283 305 327 350 400
Small Block Chevy Engine Build Ups Performance Horsepower 283 305 327 350 400
$19.95
Time Remaining: 12d 22h 17m
Buy It Now for only: $19.95

Monster Engine Parts Small Block Chevy 400 Steel Flexplate MEP1002
Monster Engine Parts Small Block Chevy 400 Steel Flexplate MEP1002
$49.99
Time Remaining: 13h 35m
Buy It Now for only: $49.99

Chevrolet 400hp 327 Chevy Turn Key Crate Engine
Chevrolet 400hp 327 Chevy Turn Key Crate Engine
$10,575.00
Time Remaining: 13d 14h 14m
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
$649.95
Time Remaining: 13d 8h 59m
Buy It Now for only: $649.95

Chrome Small Block Chevy Engine Oil Dipstick fits 327 350 383 400 Billet Handle
Chrome Small Block Chevy Engine Oil Dipstick fits 327 350 383 400 Billet Handle
$16.99
Time Remaining: 26d 10h 46m
Buy It Now for only: $16.99

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
$17.99
Time Remaining: 18d 13h 39m
Buy It Now for only: $17.99

80 to 90 GMC Chevy 2500 3500 TH400 4WD Automatic Transmission 74L engine vin V
80 to 90 GMC Chevy 2500 3500 TH400 4WD Automatic Transmission 74L engine vin V
$499.95
Time Remaining: 25d 13h 43m
Buy It Now for only: $499.95

SBC SMALL BLOCK CHEVY ENGINE ENDERLE TIMING COVER FUEL PUMP DRVE 327 350 400
SBC SMALL BLOCK CHEVY ENGINE ENDERLE TIMING COVER FUEL PUMP DRVE 327 350 400
$129.99
Time Remaining: 4d 11h 12m
Buy It Now for only: $129.99

383CI 400HP Chevy Stroker Crate Engine With FiTech EFI
383CI 400HP Chevy Stroker Crate Engine With FiTech EFI
$8,390.00
Time Remaining: 2d 12h 31m
Buy It Now for only: $8,390.00

80 to 90 GMC Chevy 2500 3500 TH400 4WD Automatic Transmission 74L engine vin K
80 to 90 GMC Chevy 2500 3500 TH400 4WD Automatic Transmission 74L engine vin K
$499.95
Time Remaining: 24d 10h 10m
Buy It Now for only: $499.95

Chrome Small Block Chevy Engine Oil Dipstick fits 327 350 383 400 1957 1979
Chrome Small Block Chevy Engine Oil Dipstick fits 327 350 383 400 1957 1979
$10.99
Time Remaining: 28d 15h 45m
Buy It Now for only: $10.99

400HP SB Chevy 383 Stroker Engine Edelbrock Heads Scat Crank Scorpion Comp Cams
400HP SB Chevy 383 Stroker Engine Edelbrock Heads Scat Crank Scorpion Comp Cams
$5,000.00
Time Remaining: 7d 15h 49m
Buy It Now for only: $5,000.00

CHEVY TURN KEY SBC 350 355 STAGE 10 CRATE MOTOR ENGINE 400 HORSE POWE
CHEVY TURN KEY SBC 350 355 STAGE 10 CRATE MOTOR ENGINE 400 HORSE POWE
$4,995.00
Time Remaining: 16d 15h
Buy It Now for only: $4,995.00

99 to 06 Chevy Silverado GMC Sierra 4L80 2WD Automatic Transmission 60 Engine
99 to 06 Chevy Silverado GMC Sierra 4L80 2WD Automatic Transmission 60 Engine
$749.95
Time Remaining: 19d 9h 8m
Buy It Now for only: $749.95

Eagle B13460030 Engine Rotating Assembly I Beam Rods For Chevy 4145 400 SBC
Eagle B13460030 Engine Rotating Assembly I Beam Rods For Chevy 4145 400 SBC
$807.51
Time Remaining: 13d 15h 48m
Buy It Now for only: $807.51

SB Chevy 400 to 350 CLEVITE 77 MS1564P Engine Crankshaft Main Bearing Set
SB Chevy 400 to 350 CLEVITE 77 MS1564P Engine Crankshaft Main Bearing Set
$221.95
Time Remaining: 12d 11h 9m
Buy It Now for only: $221.95

ARP Chevy 350 400cid w headers Engine  Accessory Kit Black Oxide Hex 534 9801
ARP Chevy 350 400cid w headers Engine Accessory Kit Black Oxide Hex 534 9801
$100.12
Time Remaining: 27d 18h 23m
Buy It Now for only: $100.12

CHEVY 400 520 HORSEPOWER COMPLETE CRATE ENGINE PRO BUILT NEW 327 350 383
CHEVY 400 520 HORSEPOWER COMPLETE CRATE ENGINE PRO BUILT NEW 327 350 383
$6,490.00
Time Remaining: 5d 17h 52m
Buy It Now for only: $6,490.00

PAIR Victor 3432SG Engine Head Gaskets for SBC Chevy Small Block 400 Graphite
PAIR Victor 3432SG Engine Head Gaskets for SBC Chevy Small Block 400 Graphite
$29.95
Time Remaining: 12d 16h 29m
Buy It Now for only: $29.95

RARE 1965 CHEVY 409 400 HP ENGINE
RARE 1965 CHEVY 409 400 HP ENGINE
$9,500.00
Time Remaining: 5d 21h 55m
Buy It Now for only: $9,500.00

1973 74 GM chevy 350 SB corvette engine w TH 400
1973 74 GM chevy 350 SB corvette engine w TH 400
$425.00
Time Remaining: 10d 23h 55m
Buy It Now for only: $425.00

Engine Works 300999 Small Block Chevy 350 to 400 Flywheel Balance Plate
Engine Works 300999 Small Block Chevy 350 to 400 Flywheel Balance Plate
$29.99
Time Remaining: 27d 17h 57m
Buy It Now for only: $29.99

CHEVY 350 430 HORSE COMPLETE CRATE ENGINE PRO BUILT NEW 305 327 383 400 454
CHEVY 350 430 HORSE COMPLETE CRATE ENGINE PRO BUILT NEW 305 327 383 400 454
$4,690.00
Time Remaining: 5d 17h 51m
Buy It Now for only: $4,690.00

Blueprint Engines BP4001CTC1 Small Block Chevy 400ci Dress Engine 460HP 470TQ
Blueprint Engines BP4001CTC1 Small Block Chevy 400ci Dress Engine 460HP 470TQ
$5,858.00
Time Remaining: 4d 10h 12m
Buy It Now for only: $5,858.00

ARP Chevy 350 400cid Engine  Accessory Kit Stainless 300 Hex 534 9601
ARP Chevy 350 400cid Engine Accessory Kit Stainless 300 Hex 534 9601
$123.66
Time Remaining: 13d 11h 54m
Buy It Now for only: $123.66

05 06 Chevy Silverado GMC Sierra 4L60 2WD Automatic Transmission 43 Engine
05 06 Chevy Silverado GMC Sierra 4L60 2WD Automatic Transmission 43 Engine
$649.95
Time Remaining: 5d 11h 40m
Buy It Now for only: $649.95

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