BIG-BLOCK ALUMINUM BOWTIE STREET CYLINDER HEADS
19331422
BOWTIE OVAL-PORT ALUMINUM CYLINDER HEAD, BARE
- Fully machined
- Semi-finished for 2.190"/1.880" valves
- Bronze guides can be finished to 11/32" or 3/8"
- 290-cc high-velocity oval intake ports
- 110-cc exhaust ports
- 110-cc semi-open combustion chambers
19331424
BOWTIE OVAL-PORT ALUMINUM CYLINDER HEAD ASSEMBLY
- Completely assembled with 2.190"/1.880" 11/32" stem valves
- 290-cc oval intake ports
- 110-cc exhaust ports
- 110-cc combustion chambers
19331425
BOWTIE OVAL-PORT ALUMINUM CYLINDER HEAD ASSEMBLY
- Completely assembled with 2.250"/1.880" 11/32" stem valves
- 290-cc oval intake ports
- 110-cc exhaust ports
- 110-cc combustion chambers
19331427
BOWTIE RECTANGULAR-PORT ALUMINUM BARE CYLINDER HEAD
This NHRA-legal aluminum cylinder head is a replacement for the L88 Big-Block cylinder heads used on 1968-1971 Corvettes and 1969 Camaros.
- Aluminum performance cylinder head
- 315-cc rectangular intake ports
- Replacement head for P/N 14011076
- Machined for 2.250"/1.880" 11/32" valve stems
- 110-cc exhaust ports
- 118-cc combustion chambers
19331426
BOWTIE RECTANGULAR-PORT ALUMINUM BARE CYLINDER HEAD
- Bare aluminum performance head
- Machined for 2.250"/1.880" valves
- 300-cc rectangular intake port
- 110-cc exhaust port
- 118-cc combustion chambers
19331428
BOWTIE RECTANGULAR-PORT ALUMINUM CYLINDER HEAD ASSEMBLY
- Aluminum performance head
- Completely assembled with 2.250"/1.880" 11/32" stem valves
- 300-cc rectangular intake port
- 110-cc exhaust port
- 118-cc combustion chambers
- Uses bare head P/N 19331426
19331429
BOWTIE 572/620 CYLINDER HEAD ASSEMBLY
- Aluminum head assembly
- Used in the 572/620 Chevrolet Performance crate engine
- Completely assembled with 2.250"/1.880" 11/32" stem valves
- Valve springs for hydraulic roller cams for up to .632" lift
- 310-cc rectangular intake port
- 118-cc exhaust port – raised 5/8"
- 118-cc combustion chamber
- Not recommended for engines smaller than 572 cid
19331430
BOWTIE 572/720R CYLINDER HEAD ASSEMBLY
- Aluminum racing head assembly
- Used in the 572/720R Chevrolet Performance crate engine
- Completely assembled with 2.250"/1.880" 11/32" stem valves
- Mechanical roller valve springs – not for use with hydraulic roller cams
- Good to .720" valve lift
- 310-cc rectangular intake port
- 118-cc exhaust port – raised 5/8"
- 118-cc combustion chamber
- Not recommended for engines smaller than 572 cid
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