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Mr Gasket 920G Ultra Seal Sure-Lock Rocker Arm Nuts

$71.71

Mr Gasket 920G Ultra Seal Sure-Lock Rocker Arm Nuts
 
Sold by Sparktec Motorsports
Ford Performance Parts M-6529-B302 Rocker Arm Pedestal Shim Kit

$38.16
$30.09 21% in Savings

Ford Performance Parts M-6529-B302 Rocker Arm Pedestal Shim Kit
 
Sold by Shop Eddies
Skunk2 Racing 348-05-0100 Ultra Series Race Roller Rocker Set

$1,052.99

Skunk2 Racing 348-05-0100 Ultra Series Race Roller Rocker Set
 
Sold by Sparktec Motorsports
Ford Performance Parts M-6529-3V Rocker Arm And Lash Adjuster Kit

$418.23

Ford Performance Parts M-6529-3V Rocker Arm And Lash Adjuster Kit
 
Sold by Sparktec Motorsports
PRW Industries 0230205 Rocker Arm Kit

$388.36
$324.87 16% in Savings

PRW Industries 0230205 Rocker Arm Kit
 
Sold by Shop Eddies
Ford Performance Parts M-6529-MSVT Roller Rocker Arm Set

$408.03
$321.72 21% in Savings

Ford Performance Parts M-6529-MSVT Roller Rocker Arm Set
 
Sold by Shop Eddies
Ford Performance Parts M-6564-M50 Roller Finger Follower Kit

$278.44
$219.54 21% in Savings

Ford Performance Parts M-6564-M50 Roller Finger Follower Kit
 
Sold by Shop Eddies
Crown Automotive Jeep Replacement Crown Automotive 3223888KL Rocker Arm Kit

$189.52
$149.43 21% in Savings

Crown Automotive Jeep Replacement Crown Automotive 3223888KL Rocker Arm Kit
 
Sold by Shop Eddies
Howe Racing 22431 Stud For 22410 +.100

$81.65
$64.38 21% in Savings

Howe Racing 22431 Stud For 22410 +.100
 
Sold by Shop Eddies
Crown Automotive Jeep Replacement Crown Automotive 53020742AC Rocker Arm

$33.15
$26.14 21% in Savings

Crown Automotive Jeep Replacement Crown Automotive 53020742AC Rocker Arm
 
Sold by Shop Eddies
Ford Performance Parts M-6529-A302 Rocker Arm Shim Kit

$31.78
$25.06 21% in Savings

Ford Performance Parts M-6529-A302 Rocker Arm Shim Kit
 
Sold by Shop Eddies
DORMAN LOCK NUT TYPE 8 7/16-20 IN GM

$31.12
$24.54 21% in Savings

DORMAN LOCK NUT TYPE 8 7/16-20 IN GM
 
Sold by Shop Eddies
Crown Automotive Jeep Replacement Crown Automotive J4006926 Rocker Arm Bridge Nut

$28.03
$22.10 21% in Savings

Crown Automotive Jeep Replacement Crown Automotive J4006926 Rocker Arm Bridge Nut
 
Sold by Shop Eddies
Crown Automotive Jeep Replacement Crown Automotive J3236513 Rocker Arm Pivot Bridge

$18.92
$14.92 21% in Savings

Crown Automotive Jeep Replacement Crown Automotive J3236513 Rocker Arm Pivot Bridge
 
Sold by Shop Eddies
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Rocker arms from Sears are an important component for your engine

A rocker arm is a valve train component. One end of the rocker arm is raised and lowered by the camshaft, and then the other end creates movement on the internal valve, opening and closing it with the rotation. The leverage of the rocker arm determines the force it can put on the valve and is related to the rocker arm ratio. The rocker arm ratio is the distance from the rocker arm's center of rotation to its end divided by the distance from the center of rotation to the point acted on by the camshaft or pushrod.

The rocker arm can push open either an intake or an exhaust valve. This facilitates fuel and air being taken into the combustion chamber at intake and gases being pushed out during an exhaust stroke. The rocker arm not only changes the direction of the motion of the engine valve, it also changes the amount of motion. The rocker arm increases the amount of motion on the valves.

The weight of a rocker arm is another important consideration for selecting the proper part. A heavier rocker arm requires more energy to move whereas material that is not durable enough may get quickly worn out. Rocker arms today are often made from steel though some are made of heavier metals. Many are made from stamped steel because these rocker arms are a proper weight and are durable.

Stresses and vibrations in your vehicle's engine can affect the performance of your rocker arm. Rocker arms experience deflection under engine stress. This is even more likely when operating a vehicle at a higher speed. When the rocker arm is severely deflected, the engine will perform inefficiently. This leads to worn metal and friction in the valve train. With consistent wear, this can result in engine failure.

Worn or broken rocker arms can be replaced from home. To change the rocker arm, disconnect the negative battery cable. Remove the rocker arm valve cover. Be sure to keep valve train components in order; any parts that will be used again should be installed in the opposite order from which they removed. Next, remove the rocker arm nuts, balls and the rocker arm. Take off the engine push rods.

Once these parts have been removed, you're ready to install the new rocker arm. Clean gasket surfaces and coat bearing surfaces with engine oil supplement. Seat the pushrods in the lifters. Install the rocker arm, balls and nuts. Be sure to replace the removed parts to the same location from which they were removed. Install the rocker arm cover, and then reconnect the negative battery cable.

To replace your rocker arm from home, shop high quality rocker arms from Sears. Look for rocker arm pacers, roller rocker arms, replacement rocker nuts, replacement caps and aluminum and stamped steel rocker arms. Sears carries the best brands in auto repair. Find rocker arms and engine parts from Rock, JEGS, Comp Cams, Rampage, Dorman, Melling, Crown Automotive, Moroso and more! While you're shopping for rocker arms, see internal valves, engine push rods and engine valves.