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.
400 small block chevy engine 406 SBC
400 small block chevy engine 406 SBC
$960.00 (2 Bids)
Time Remaining: 3d 9h 38m

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 20h 52m
Buy It Now for only: $37.99

SBC CHROME STEEL ENGINE OIL DIPSTICK 283 327 350 383 400 TUBE DIP STICK SB CHEVY
SBC CHROME STEEL ENGINE OIL DIPSTICK 283 327 350 383 400 TUBE DIP STICK SB CHEVY
$9.95
Time Remaining: 27d 5h 26m
Buy It Now for only: $9.95

99 06 Chevy Silverado Sierra Rebuilt LQ10 60 LS 400HP Complete Engine LSx Reman
99 06 Chevy Silverado Sierra Rebuilt LQ10 60 LS 400HP Complete Engine LSx Reman
$3,695.95
Time Remaining: 5d 2h 59m

1971 chevy SB 400 4 bolt engine assembly
1971 chevy SB 400 4 bolt engine assembly
$500.00
Time Remaining: 28d 41m
Buy It Now for only: $500.00

Chevy Motorhome Engine chasis Frame 350 Engine 400 Transmission Dually Rear
Chevy Motorhome Engine chasis Frame 350 Engine 400 Transmission Dually Rear
$500.00
Time Remaining: 5d 6h 52m

SB CHEVROLET CHEVY OIL ENGINE DIPSTICK TUBE CHROME 305 327 350 400 DRIVERS 4957
SB CHEVROLET CHEVY OIL ENGINE DIPSTICK TUBE CHROME 305 327 350 400 DRIVERS 4957
$9.94
Time Remaining: 8d 10h 7m
Buy It Now for only: $9.94

FOR CHEVY SMALL BLOCK 265 400 T BUCKET ROADSTER EXHAUST MANIFOLD HEADER+GASKETS
FOR CHEVY SMALL BLOCK 265 400 T BUCKET ROADSTER EXHAUST MANIFOLD HEADER+GASKETS
$231.38
Time Remaining: 7h 3m

400 Chevy Small Block Engine SBC Std Bore WILL SHIP
400 Chevy Small Block Engine SBC Std Bore WILL SHIP
$400.00
Time Remaining: 1d 11h
Buy It Now for only: $400.00

FOR 35 48 CHEVY SMALL BLOCK V8 EXHAUST MANIFOLD STREET ROD FAT FENDERWELL HEADER
FOR 35 48 CHEVY SMALL BLOCK V8 EXHAUST MANIFOLD STREET ROD FAT FENDERWELL HEADER
$218.38
Time Remaining: 7h 6m

SMALL BLOCK CHEVY 283 305 350 400 TRUCK VAN V8 STAINLESS STEEL EXHAUST HEADER
SMALL BLOCK CHEVY 283 305 350 400 TRUCK VAN V8 STAINLESS STEEL EXHAUST HEADER
$109.99
Time Remaining: 8d 8h 15m
Buy It Now for only: $109.99

FOR 70 81 CHEVY PONTIAC SMALL BLOCK 260 400 EXHAUST MANIFOLD STREET STOCK HEADER
FOR 70 81 CHEVY PONTIAC SMALL BLOCK 260 400 EXHAUST MANIFOLD STREET STOCK HEADER
$218.38
Time Remaining: 7h 6m

1955 79 SBC Small Block Chevy 283 400 Chrome Steel Engine Oil Dipstick
1955 79 SBC Small Block Chevy 283 400 Chrome Steel Engine Oil Dipstick
$8.95
Time Remaining: 28d 21h 21m
Buy It Now for only: $8.95

FOR CHEVY SMALL BLOCK ENGINE V8 262 283 302 305 307 327 350 400 STAINLESS HEADER
FOR CHEVY SMALL BLOCK ENGINE V8 262 283 302 305 307 327 350 400 STAINLESS HEADER
$96.38
Time Remaining: 10h 41m

Chevy 400 engine block
Chevy 400 engine block
$400.00
Time Remaining: 1d 35m
Buy It Now for only: $400.00

FOR CHEVY SMALL BLOCK 265 400 V8 T BUCKET ROADSTER EXHAUST MANIFOLD HEADER+BOLTS
FOR CHEVY SMALL BLOCK 265 400 V8 T BUCKET ROADSTER EXHAUST MANIFOLD HEADER+BOLTS
$230.38
Time Remaining: 10h 51m

Flowtech 11502FLT Chevy S10 015 Blazer Jimmy 283 400 Engine Swap Headers
Flowtech 11502FLT Chevy S10 015 Blazer Jimmy 283 400 Engine Swap Headers
$164.99
Time Remaining: 21d 7h 59m
Buy It Now for only: $164.99

FOR 35 48 CHEVY SMALL BLOCK V8 STAINLESS EXHAUST MANIFOLD FAT FENDER WELL HEADER
FOR 35 48 CHEVY SMALL BLOCK V8 STAINLESS EXHAUST MANIFOLD FAT FENDER WELL HEADER
$217.38
Time Remaining: 10h 51m

Engine Oil Priming Tool bb  sb Chevy 283 400 sbc bbc 396 454 Small  Big Block
Engine Oil Priming Tool bb sb Chevy 283 400 sbc bbc 396 454 Small Big Block
$24.99
Time Remaining: 24d 5h 51m
Buy It Now for only: $24.99

FOR 70 81 CHEVY BUICK SMALL BLOCK 260 400 EXHAUST STREET STOCK MANIFOLD HEADER
FOR 70 81 CHEVY BUICK SMALL BLOCK 260 400 EXHAUST STREET STOCK MANIFOLD HEADER
$215.38
Time Remaining: 10h 54m

SBC Chevy Chrome Engine Oil Dipstick Tube 55 79 283 327 350 400 Small Block
SBC Chevy Chrome Engine Oil Dipstick Tube 55 79 283 327 350 400 Small Block
$19.99
Time Remaining: 8d 6h
Buy It Now for only: $19.99

FOR 35 48 CHEVY SMALL BLOCK 265 400 V8 EXHAUST MANIFOLD FAT FENDERED WELL HEADER
FOR 35 48 CHEVY SMALL BLOCK 265 400 V8 EXHAUST MANIFOLD FAT FENDERED WELL HEADER
$217.38
Time Remaining: 11h 45m

1970 70 Chevy Impala Bel Air Biscayne Monte Carlo 400 4 bolt main engine block
1970 70 Chevy Impala Bel Air Biscayne Monte Carlo 400 4 bolt main engine block
$549.99
Time Remaining: 28d 28m
Buy It Now for only: $549.99

FOR 55 57 DEL RAY CORVETTE SMALL BLOCK V8 3 4 LENGTH EXHAUST MANIFOLD HEADER
FOR 55 57 DEL RAY CORVETTE SMALL BLOCK V8 3 4 LENGTH EXHAUST MANIFOLD HEADER
$151.38
Time Remaining: 12h 8m

OIL PUMP PRIMER TOOL GM Chevy V6 V8 350 327 383 400 43L Small Big block Engine
OIL PUMP PRIMER TOOL GM Chevy V6 V8 350 327 383 400 43L Small Big block Engine
$9.99
Time Remaining: 8d 5h 51m
Buy It Now for only: $9.99

FOR 70 81 CUTLASS SMALL BLOCK 260 400 V8 EXHAUST MANIFOLD STREET STOCK HEADER
FOR 70 81 CUTLASS SMALL BLOCK 260 400 V8 EXHAUST MANIFOLD STREET STOCK HEADER
$215.38
Time Remaining: 13h 3m

rochester 4bbl quadrajet 17059216 1979 chevrolet chevy gmc trk 400 engine
rochester 4bbl quadrajet 17059216 1979 chevrolet chevy gmc trk 400 engine
$189.00
Time Remaining: 3d 10h 27m
Buy It Now for only: $189.00

FOR CHEVY SMALL BLOCK V8 T BUCKET ROADSTER EXHAUST MANIFOLD HEADER+GASKETS BOLTS
FOR CHEVY SMALL BLOCK V8 T BUCKET ROADSTER EXHAUST MANIFOLD HEADER+GASKETS BOLTS
$230.38
Time Remaining: 13h 58m

CHEVY SSR LS2 400HP GUNMETAL ENGINE BILLET OIL CAP
CHEVY SSR LS2 400HP GUNMETAL ENGINE BILLET OIL CAP
$15.95
Time Remaining: 26d 15h 12m
Buy It Now for only: $15.95

Chrome Engine Oil Dipstick Fits Small Block Chevy 1957 1979 Drivers side
Chrome Engine Oil Dipstick Fits Small Block Chevy 1957 1979 Drivers side
$7.00
Time Remaining: 1d 31m

Chevy 400 Engine Block 2 Bolt Main Standard Bore 3951511 Stroker Core Mag Good
Chevy 400 Engine Block 2 Bolt Main Standard Bore 3951511 Stroker Core Mag Good
$395.00
Time Remaining: 28d 21h 58m
Buy It Now for only: $395.00

CAMARO MALIBU IMPALA 46L 50L 54L SMALL BLOCK CHEVY STAINLESS EXHAUST HEADER
CAMARO MALIBU IMPALA 46L 50L 54L SMALL BLOCK CHEVY STAINLESS EXHAUST HEADER
$109.90
Time Remaining: 2d 9h 16m

Chevy 454 LS7 Engine 400 Miles 4 Bolt Steel Crank Forged Pistons Sq Port Heads
Chevy 454 LS7 Engine 400 Miles 4 Bolt Steel Crank Forged Pistons Sq Port Heads
$4,800.00
Time Remaining: 19d 2h 26m
Buy It Now for only: $4,800.00

Distributor Chevy 1973 400 cubic inch engine 1112166
Distributor Chevy 1973 400 cubic inch engine 1112166
$12.95
Time Remaining: 2d 11h 37m

Dart SHP Iron SBC Chevy 400 Mains 4125 Bore 2 PC Engine Block 31162211
Dart SHP Iron SBC Chevy 400 Mains 4125 Bore 2 PC Engine Block 31162211
$1,599.99
Time Remaining: 7d 6h 58m
Buy It Now for only: $1,599.99

99 06 Chevy Silverado Sierra Rebuilt 60 LS 400HP Complete Engine LSx Reman
99 06 Chevy Silverado Sierra Rebuilt 60 LS 400HP Complete Engine LSx Reman
$4,190.95
Time Remaining: 3d 3h 35m

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