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
$899.99
Time Remaining: 13d 1h 50m
Buy It Now for only: $899.99

Chevy BBC Big Block 454 320cc 115cc High Performance Aluminum Cylinder Head
Chevy BBC Big Block 454 320cc 115cc High Performance Aluminum Cylinder Head
$414.10
Time Remaining: 10d 21h 37m
Buy It Now for only: $414.10

BBC Big Block Chevy Rectangle Aluminum Cylinder Heads 454 502 Complete
BBC Big Block Chevy Rectangle Aluminum Cylinder Heads 454 502 Complete
$899.95
Time Remaining: 18d 15h 1m
Buy It Now for only: $899.95

BIG BLOCK BBC CHEVY 454 496 300cc OVAL PORT ALUMINUM HEADS BARE SET
BIG BLOCK BBC CHEVY 454 496 300cc OVAL PORT ALUMINUM HEADS BARE SET
$639.00
Time Remaining: 12d 16h 43m
Buy It Now for only: $639.00

BBC Aluminum Heads 320cc Runners Big Block Chevy 396 427 454 502 FREE SHIPPING
BBC Aluminum Heads 320cc Runners Big Block Chevy 396 427 454 502 FREE SHIPPING
$999.99
Time Remaining: 29d 17h 30m
Buy It Now for only: $999.99

Chevy BBC 454 320cc 119cc As Cast Bare Aluminum Cylinder Head
Chevy BBC 454 320cc 119cc As Cast Bare Aluminum Cylinder Head
$382.20
Time Remaining: 18d 3h 58m
Buy It Now for only: $382.20

BRAND NEW BBC Chevy ALUMINUM Cylinder Heads PAIR 396 427 454 NO CORE FEE
BRAND NEW BBC Chevy ALUMINUM Cylinder Heads PAIR 396 427 454 NO CORE FEE
$899.00
Time Remaining: 25d 22h 57m
Buy It Now for only: $899.00

Chevy BBC Cylinder Head Bolts 454 502 Big Block Chevy Hex Heads
Chevy BBC Cylinder Head Bolts 454 502 Big Block Chevy Hex Heads
$20.00
Time Remaining: 4d 3h 11m
Buy It Now for only: $20.00

BBC Big Block Chevy 454 Cylinder Head Build Kit Valves Springs Retainers Keepers
BBC Big Block Chevy 454 Cylinder Head Build Kit Valves Springs Retainers Keepers
$229.99
Time Remaining: 27d 10h 23m
Buy It Now for only: $229.99

NEW PAIR GM BBC CHEVY ALUMINUM CYLINDER HEADS 396 427 454 OVAL PORTS NO CORE
NEW PAIR GM BBC CHEVY ALUMINUM CYLINDER HEADS 396 427 454 OVAL PORTS NO CORE
$989.00
Time Remaining: 19d 2h 42m
Buy It Now for only: $989.00

NEW Chevy BBC 454 Hydraulic Flat Tappet Cylinder Heads Top End Engine Combo Kit
NEW Chevy BBC 454 Hydraulic Flat Tappet Cylinder Heads Top End Engine Combo Kit
$1,600.00
Time Remaining: 16d 1h 7m
Buy It Now for only: $1,600.00

Complete Aluminum Cylinder Heads BBC Chevy 454 320cc 115cc 225 188
Complete Aluminum Cylinder Heads BBC Chevy 454 320cc 115cc 225 188
$901.25
Time Remaining: 9d 23h 45m
Buy It Now for only: $901.25

Chevy BBC 396 402 454 ALUMINUM HEADS RECTANGULAR  PAIR  COMPLETE
Chevy BBC 396 402 454 ALUMINUM HEADS RECTANGULAR PAIR COMPLETE
$999.95
Time Remaining: 11d 22h 23m
Buy It Now for only: $999.95

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
$587.48 (111 Bids)
Time Remaining: 1d 2h 42m

BIG BLOCK BBC CHEVY 454 496 300cc OVAL PORT ALUMINUM HEADS ASSEM BBC OVAL 274
BIG BLOCK BBC CHEVY 454 496 300cc OVAL PORT ALUMINUM HEADS ASSEM BBC OVAL 274
$969.00
Time Remaining: 15d 23h 10m
Buy It Now for only: $969.00

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
$675.95 (16 Bids)
Time Remaining: 1d 2h 42m

NEW GM PROCOMP BBC CHEVY 396 427 454 ALUMINUM CYLINDER HEADS  ARP BOLTS NO CORE
NEW GM PROCOMP BBC CHEVY 396 427 454 ALUMINUM CYLINDER HEADS ARP BOLTS NO CORE
$1,262.60
Time Remaining: 22d 11h 9m
Buy It Now for only: $1,262.60

ARP 135 3601 Cylinder Head Bolt Kit Big Block Chevy BBC 396 454 427
ARP 135 3601 Cylinder Head Bolt Kit Big Block Chevy BBC 396 454 427
$76.99
Time Remaining: 7d 15h 33m
Buy It Now for only: $76.99

BIG BLOCK BBC CHEVY 454 496 300cc OVAL PORT ALUMINUM HEADS ASSEM BBC OVAL 272
BIG BLOCK BBC CHEVY 454 496 300cc OVAL PORT ALUMINUM HEADS ASSEM BBC OVAL 272
$969.00
Time Remaining: 14d 4h 35m
Buy It Now for only: $969.00

Cylinder Head BBC 427 454 502 123CC 336CC Big Block Chevy Aluminum Bare
Cylinder Head BBC 427 454 502 123CC 336CC Big Block Chevy Aluminum Bare
$424.15
Time Remaining: 23h 40m
Buy It Now for only: $424.15

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