Crane Rocker Arm - 287581
Body Construction
Extruded Aluminum
Compatibility
1967-1981 Pontiac 265-455 Engines
Maximum Spring Pressure
700 Pound For Standard And 900 Pound For Wide Body
Mount Type
Stud Mount
Nut Style
Adjustable Locking
Quantity
Single
Ratio
1.65
Roller Pivot
Yes
Roller Tip
Yes
Self Aligning
No
Stud Diameter
7/16 Inch
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Crane Rocker Arm
Rocker Arm; Gold Race; For Use With 1967-1981 Pontiac 265-455 Engines With Straight 7/16 Inch Rocker Arm Studs; 7/16 Stud; 1.65 Ratio; Non Self Aligning; Roller Rocker; Aluminum; Single
MPN: 287581
Millions of Crane Gold Race rocker arms have been sold because they provide a significant increase in performance and have proven to be exceptionally dependable. Their roller tip is more efficient than standard scrub-type rockers, they have a lower mass moment of inertia (less weight on the valve), and come in ratios that will increase the net valve lift and duration of a camshaft. The rocker arms are manufactured from heat-treated billet aluminum extrusions, and CNC machined to exacting tolerances. These gold anodized rockers have long had the reputation of being the most accurate on the market and feature Crane's exclusive Quick-Lift™ technology. They employ heavy-duty precision-ground steel needle bearings, a heat-treated steel roller tip, and come complete with adjustable locking nuts. Standard Crane Gold Race rocker arms are proven to handle up to 700 Pounds of valve spring pressure (open), while special “wide body” designs at rated to 900 Pounds. It’s a proven performer in drag racing, circle track, off-road and marine competition.
Compatibility: 1967-1981 Pontiac 265-455 Engines
Stud Diameter: 7/16 Inch
Ratio: 1.65
Body Construction: Extruded Aluminum
Mount Type: Stud Mount
Roller Tip: Yes
Roller Pivot: Yes
Nut Style: Adjustable Locking
Self Aligning: No
Maximum Spring Pressure: 700 Pound For Standard And 900 Pound For Wide Body
Quantity: Single
Features
- Stud Mounted, Full-Roller Fulcrum, Roller Tip
- Provide A Significant Increase In Performance And Have Proven To Be Exceptionally Dependable
- Roller Tip Is More Efficient Than Standard Scrub-Type Rockers
- Manufactured From Heat-Treated Billet Aluminum Extrusions, And CNC Machined To Exacting Tolerances
- These Gold Anodized Rockers Have Long Had The Reputation Of Being The Most Accurate On The Market
- Feature Crane's Exclusive Quick-Lift™technology
- They Employ Heavy-Duty Precision-Ground Steel Needle Bearings And A Heat-Treated Steel Roller Tip And Come Complete With Adjustable Locking Nuts
- Limited 1 Year Warranty For Street Use And No Warranty For Race Use
| Specifications of Crane Rocker Arm - 287581 | |
| Body Construction | Extruded Aluminum |
| Compatibility | 1967-1981 Pontiac 265-455 Engines |
| Maximum Spring Pressure | 700 Pound For Standard And 900 Pound For Wide Body |
| Mount Type | Stud Mount |
| Nut Style | Adjustable Locking |
| Quantity | Single |
| Ratio | 1.65 |
| Roller Pivot | Yes |
| Roller Tip | Yes |
| Self Aligning | No |
| Stud Diameter | 7/16 Inch |
1967 Pontiac Bonneville
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