 |
S/R STOCK REPLACEMENT
SMALL BLOCK CHEVROLET
CAST IRON CYLINDER HEADS
FLASH!
World castings #043600 and #043610 are accepted by NHRA as replacements
for Chevy 041, 186, 291, 292, 462 and 492 cylinder heads! |
| S/R Stock Replacement Cast Iron SBC Cylinder Heads (Straight Plug) |
| Part # |
Application |
Description |
Valve
Dimensions |
Spring Specs
|
Max
Lift |
Chamber |
| 043600 |
Bare Head |
St. Plug, Iron |
1.94"x1.50" 11/32 |
None |
N/A |
76cc |
| 043600-1 |
Hydraulic |
St. Plug, Iron |
1.94"x1.50" 11/32 |
1.250" Sngl 100# Seat |
.560" |
76cc |
| 043610 |
Bare Head |
St. Plug, Iron |
1.94"x1.50" 11/32 |
None |
N/A |
67cc |
| 043610-1 |
Hydraulic |
St. Plug, Iron |
1.94"x1.50" 11/32 |
1.250" Sngl 100# Seat |
.560" |
67cc |
| S/R Stock Replacement Cast Iron SBC Cylinder Heads (1987 & Up Intake) |
| 043640 |
Bare Head |
St. Plug, Iron |
1.94"x1.50" 11/32 |
None |
N/A |
76cc |
| 043640-1 |
Hydraulic |
St. Plug, Iron |
1.94"x1.50" 11/32 |
1.250" Sngl 100# Seat |
.560" |
76cc |
| 043650 |
Bare Head |
St. Plug, Iron |
1.94"x1.50" 11/32 |
None |
N/A |
67cc |
| 043650-1 |
Hydraulic |
St. Plug, Iron |
1.94"x1.50" 11/32 |
1.250" Sngl 100# Seat |
.560" |
67cc |
| S/R Stock Replacement Cast Iron SBC Cylinder Heads (305" Engines) |
| 042650 |
Bare Head |
St. Plug, Iron |
1.94"x1.50" 11/32 |
None |
N/A |
58cc |
| 042650-1 |
Hydraulic |
St. Plug, Iron |
1.94"x1.50" 11/32 |
1.250" Sngl 100# Seat |
.560" |
58cc |
| 042750 |
Bare Head |
St. Plug, Iron* |
1.94"x1.50" 11/32 |
None |
N/A |
58cc |
| 042750-1 |
Hydraulic |
St. Plug, Iron* |
1.94"x1.50" 11/32 |
1.250" Sngl 100# Seat |
.560" |
58cc |
| * = 1987 and later intake
face |
|
