Page 215 - 2021-22_EngineCatalogAP

STREET PERFORMANCE/COMPETITION VALVES
Chevrolet Big Block 396-454
Manley - Cont.
Part No.
Description
Dia.
Length
Qty.
Severe-Duty Valves
Intake Valves
MAN11784-8
Severe-Duty, 11/32"
2.300"
5.444"
8
MAN11854-8
Severe-Duty, 11/32"
2.300"
5.494"
8
MAN11878-8
Severe-Duty, 11/32"
2.300"
5.610"
8
MAN11838-8
Severe-Duty, 11/32"
2.325"
5.509"
8
MAN11880-8
Severe-Duty, 11/32"
2.350"
5.610"
8
MAN12340-8 †
Severe-Duty, 11/32" + .350" Brodix
2.375"
5.600"
8
MAN11582-8
Severe-Duty, 11/32"
2.400"
6.600"
8
† These valves are specifically made for Brodix 383 Head Hunter cylinder heads.
Titanium Valves
Exhaust Valves
MAN11921-1 †
Titanium Square Groove, 3/8", Big Chief/Pontiac Pro Stock
1.900"
6.450"
1
Intake Valves
MAN11920-1 †
Titanium Square Groove, 3/8", Big Chief/Pontiac Pro Stock
2.400"
6.600"
1
† Requires tip protection. Use Manley wear caps P/N MAN42104-16
Note: Most of these valves are available individually. Replace -8 with a -1 for a single valve.
VALVE SPRINGS - See Page 538-548
VALVE SPRING RETAINERS, LOCKS, SEATS, & SHIMS
See Page 548-554
VALVE STEM SEALS, LASH CAPS, & ROTATOR ELIMINATORS
See Page 554-556
Chevrolet “W” Engine 348-409
Aluminum Full Roller Rocker Arms
Chevrolet Big Block 396-454
Original Equipment Replacement Rocker Arms
ROCKER ARMS
EDE77790
Part No.
Description
Stud
Ratio
Qty.
Edelbrock
EDE77790
Extruded
7/16"
1.7
16
Crane Cams
CRN15750-16
Extruded
3/8"
1.7
16
Part No.
Description
Stud
Ratio
Qty.
Comp Cams
COM1211-16
Long-Slot Replacement
7/16"
1.7
16
Crane Cams
CRN13800-16
Long-Slot Replacement
7/16"
1.7
16
Most of these rocker arms are available individually. Replace the -16 with a -1.
2021-22 ENGINE BUILDER CATALOG 213
COM1211-16
CHEVROLET BIG BLOCK