ROCKER ARMS
Ford Big Block 429-460 OE Replacement Rocker Arms Part No. Description Stud
Ratio
Qty.
Comp Cams
COM1232-16
High-Energy Steel
Pedestal
1.73 16
COM1630-16
Steel Roller Rocker Arms Part No.
Description
Stud Ratio
Qty.
Comp Cams
COM1630-16 COM1830-16
Ultra Pro Magnum Ultra Pro Magnum XD
7/16" 1.7
16
7/16" 1.73 16
Die-Cast Aluminum Rocker Arms Part No. Description
Stud Ratio
Qty.
Comp Cams
COM17045-16
High-Energy Aluminum
7/16" 1.73 16
Aluminum Roller Rocker Arms Part No. Description
CRN27750-16
Stud
Ratio
Qty.
Crane Cams
CRN27750-16
Extruded
7/16" 1.73 16
Harland Sharp SHPS4005
Extruded
7/16" 1.73 16
Scorpion
SPN1023
Extruded, Race Series Extruded Pedestal Mount, Race Series
7/16" 1.73 16
SPN1024
— 1.73 16
Yella Terra
Platinum Series, Wide Body Extruded Aluminum 7/16" 1.73 16
YTRYT6321
T&D Machine Shaft Mount Rocker Arms T&D Machine Shaft Mounted Rocker Arm Systems are specifically engi- neered for BB Ford aftermarket heads listed below. T&D rockers are made from 2024 aluminum for high tensile and yield strength. T&D rocker arms have an oil passage to channel pressurized oil from the push rod cup to the shaft bearings, and then to the roller tip. Large diameter shafts are made from 4130 steel, deep case hardened and tempered for maximum wear resistance and strength. T&D rocker arm systems are engineered for high spring pressures and higher engine RPMs. Part No. Description Ratio Qty. T&D Machine TDM7000-175/175 † Edelbrock Performer RPM, On-Center Rockers 1.75/1.75 16 TDM7013-175/175 Trick Flow A460 Heads 175/175 16 † These rockers have spring oil hole (.040") option #0720.
TDM7013-175/175
444 2021-22 ENGINE BUILDER CATALOG
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