Below you will find listings for 454 heads.

Introduced in 1970 the Chevy big block 454 actually had 454.2 cubic inches. The LS5 version of the engine which came in the Corvette put out about 390 horses which is just ten horsepower less than the base C6 Corvettes of today. The engine also came in a much more powerful LS6 version that put out somewhere in the neighborhood of 450 horsepower which by today's standards is reaching Corvette Z06 horsepower levels.

In the early 70's like all the other General Motor's engines, the 454 started declining in power with the 1971 LS5 just producing 365 horsepower.

Depending on the model, the 454 came with both rectangular port heads that had 2.19 inch intake valves and 1.88 inch exhaust valves or oval port heads which where fitted with the smaller 2.06 intake valves and 1.72 inch exhaust valves.

A wide selection of heads are available for the 396 big block including aftermarket versions.

Chevy 396 427 454 496 502 BBC Aluminum Heads oval port chevrolet 540 572 new
Chevy 396 427 454 496 502 BBC Aluminum Heads oval port chevrolet 540 572 new
$540.00 (32 Bids)
Time Remaining: 1d 6h 8m

ProComp BBC Big Block Chevy Oval Port Aluminum Cylinder Heads 396 454
ProComp BBC Big Block Chevy Oval Port Aluminum Cylinder Heads 396 454
$735.00
Time Remaining: 5d 16h 12m
Buy It Now for only: $735.00

Pro Comp BBC Big Block Chevy Rectangle Aluminum Cylinder Heads 454 502 Complete
Pro Comp BBC Big Block Chevy Rectangle Aluminum Cylinder Heads 454 502 Complete
$899.95
Time Remaining: 22d 16h 43m
Buy It Now for only: $899.95

Chevy 396 427 454 496 502 BBC 540 572 gen 4 5 6 Aluminum Heads Rectangle
Chevy 396 427 454 496 502 BBC 540 572 gen 4 5 6 Aluminum Heads Rectangle
$600.00 (37 Bids)
Time Remaining: 1d 6h 8m

BIG BLOCK BBC CHEVY ALUMINUM HEADS BARE 454 496 502 RECTANGULAR PORT
BIG BLOCK BBC CHEVY ALUMINUM HEADS BARE 454 496 502 RECTANGULAR PORT
$685.00
Time Remaining: 19d 3h 20m
Buy It Now for only: $685.00

Chevy 396 427 454 496 502 BBC 540 572 gen 4 5 6 Aluminum Heads Rectangle
Chevy 396 427 454 496 502 BBC 540 572 gen 4 5 6 Aluminum Heads Rectangle
$305.00 (18 Bids)
Time Remaining: 3d 5h 52m

BBC 454 496 CHEVY ALUMINUM HEADS FULLY ASSEMBLED RECTANGULAR PORT  RP 272
BBC 454 496 CHEVY ALUMINUM HEADS FULLY ASSEMBLED RECTANGULAR PORT RP 272
$895.00
Time Remaining: 21d 11h 12m
Buy It Now for only: $895.00

Chevy 396 427 454 496 502 BBC Aluminum Heads oval port chevrolet 540 572 new
Chevy 396 427 454 496 502 BBC Aluminum Heads oval port chevrolet 540 572 new
$380.00 (14 Bids)
Time Remaining: 3d 5h 52m

NEW NOS BIG BLOCK CHEVY BBC OPEN CHAMBER SQUARE PORT HEADS LS7 427 454 CAMARO
NEW NOS BIG BLOCK CHEVY BBC OPEN CHAMBER SQUARE PORT HEADS LS7 427 454 CAMARO
$1,299.95
Time Remaining: 29d 21h 13m
Buy It Now for only: $1,299.95

Mark 5 454 big block heads 2 and extras Casting number 10114156
Mark 5 454 big block heads 2 and extras Casting number 10114156
$100.00
Time Remaining: 1d 31m
Buy It Now for only: $350.00

Chevy 396 427 454 496 502 BBC Aluminum Heads oval port chevrolet
Chevy 396 427 454 496 502 BBC Aluminum Heads oval port chevrolet
$899.99
Time Remaining: 2d 4h 8m
Buy It Now for only: $899.99

69 70 71 L88 L89 LS6 ZL1 427 454 Open Chamber Aluminum Heads GM 3946074
69 70 71 L88 L89 LS6 ZL1 427 454 Open Chamber Aluminum Heads GM 3946074
$2,500.00
Time Remaining: 1d 8h 27m

Chevy BBC 396 454 Rectangle Port Assembled Aluminum Cylinder Heads 124cc 345cc
Chevy BBC 396 454 Rectangle Port Assembled Aluminum Cylinder Heads 124cc 345cc
$1,049.99
Time Remaining: 10d 20m
Buy It Now for only: $1,049.99

Big Block Chevy Aluminum Cylinder Heads Pair 427 454 502 Loaded New Fast Ship
Big Block Chevy Aluminum Cylinder Heads Pair 427 454 502 Loaded New Fast Ship
$795.00
Time Remaining: 17d 23h 46m
Buy It Now for only: $795.00

BBC 454 781 Heads Dyno Up to 625HP HI PERF 396 427 468 496 70 336781
BBC 454 781 Heads Dyno Up to 625HP HI PERF 396 427 468 496 70 336781
$299.00
Time Remaining: 4d 6h 51m
Buy It Now for only: $420.00

BBC 454 496 CHEVY ALUMINUM HEADS FULLY ASSEMBLED RECTANGULAR PORT  RP 274
BBC 454 496 CHEVY ALUMINUM HEADS FULLY ASSEMBLED RECTANGULAR PORT RP 274
$955.00
Time Remaining: 22d 3h 6m
Buy It Now for only: $955.00

BBC 454 Heads 396 427 468 496 70 68 69 3933148 Camaro Chevelle A 9 9 148
BBC 454 Heads 396 427 468 496 70 68 69 3933148 Camaro Chevelle A 9 9 148
$225.00
Time Remaining: 4d 6h 33m
Buy It Now for only: $345.00

336781 GM bbc iron heads oval port chevy 454 496
336781 GM bbc iron heads oval port chevy 454 496
$650.00
Time Remaining: 3d 11h 17m
Buy It Now for only: $650.00

1971 Chevrolet Chevelle 396427454 BIG BLOCK HEAD GM 6272292H 28 71
1971 Chevrolet Chevelle 396427454 BIG BLOCK HEAD GM 6272292H 28 71
$100.00
Time Remaining: 2d 2h 2m
Buy It Now for only: $150.00

New Head Bolts Chevy 454 396 402 427 bbc bb Big Block Chevrolet Cylinder Set
New Head Bolts Chevy 454 396 402 427 bbc bb Big Block Chevrolet Cylinder Set
$44.99
Time Remaining: 10d 19h 29m
Buy It Now for only: $44.99

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