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Harland Sharp Rocker Arms & Parts

When larger, modified camshafts were first introduced in the 1950s, Harland Sharp responded with the industry’s first roller rocker arm to maximize engine performance....

When larger, modified camshafts were first introduced in the 1950s, Harland Sharp responded with the industry’s first roller rocker arm to maximize engine performance. Since then, Harland Sharp has pioneered a new needle bearing fulcrum design, developed the first 7/16” stud small block Chevy rocker arm, and introduced an array of 1.6- and 1.7-ratio roller rockers for high performance applications. The company now also offers a huge selection of rocker arm accessories, including rocker arm stud girdles, shafts, shaft spacers, nuts, and screws—all made in the U.S.A! Build a better valvetrain with Harland...

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Results 1 - 25 of 59

Harland Sharp Polylocks Rocker Arm Nuts PL038K

Harland Sharp Polylocks Rocker Arm Nuts PL038K

Polylocks, 3/8 in. Thread, .550 in. Diameter, Set of 4

Part Number: CSP-PL038K

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Polylocks Rocker Arm Nuts PL716K

Rocker Arm Nuts, Polylocks, Roller Rocker Arms, 7/16 in.-20 Thread, Set of 4

Part Number: CSP-PL716K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Polylocks Rocker Arm Nuts PL3800K

Rocker Arm Polylocks, Stud Girdle, Fits 3/8 in. Stud, Set of 4

Part Number: CSP-PL3800K

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Polylocks Rocker Arm Nuts PL3761K

Rocker Arm Nuts, Polylock Style, Full Roller, 7/16-20 in. Thread, 0.600 in. O.D., 2.200 in. Height, Set of 4

Part Number: CSP-PL3761K

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Polylocks Rocker Arm Nuts PL3760K

Rocker Arm Polylocks, Stud Girdle, Fits 7/16 in. Stud, Set of 4

Part Number: CSP-PL3760K

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Harland Sharp Polylocks Rocker Arm Nuts PL3751K

Rocker Arm Nuts, Polylock Style, Full Roller, Stud Girdle, 7/16-20 in. Thread, 0.550 in. O.D., 2.200 in. Height, Set of 4

Part Number: CSP-PL3751K

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Harland Sharp Polylocks Rocker Arm Nuts PL3750K

Rocker Arm Nuts, Polylock Style, Full Roller, 7/16-20 in. Thread, 0.550 in. O.D., 2.00 in. Height, Set of 4

Part Number: CSP-PL3750K

Not Yet Reviewed

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

Harland Sharp Polylocks Rocker Arm Nuts JN3913K

Rocker Arm Nuts, Jam Nut, 12-point, 7/16-20 in. Thread, Full Roller, Set of 4

Part Number: CSP-JN3913K

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Harland Sharp Polylocks Rocker Arm Nuts PL3762K

Rocker Arm Polylocks, Stud Girdle, Fits 7/16 in. Stud, Set of 4

Part Number: CSP-PL3762K

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Harland Sharp Polylocks Rocker Arm Nuts PL3752K

Rocker Arm Nuts, Polylock Style, Full Roller, Stud Girdle, 7/16-20 in. Thread, 0.550 in. O.D., 2.600 in. Height, Set of 4

Part Number: CSP-PL3752K

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Harland Sharp Stud Girdles G4400-38

Rocker Arm Stud Girdle, Pro, Aluminum, Orange, 3/8 in. Polylocks, Ford, Small Block, Std. Stud Spacing, Kit

Part Number: CSP-G4400-38

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Harland Sharp Stud Girdles G4403

Rocker Arm Stud Girdle, Pro, Aluminum, 7/16 in. Polylocks, Ford, Small Block, Twisted Wedge Street Heads, Kit

Part Number: CSP-G4403

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Harland Sharp Stud Girdles G4400

Rocker Arm Stud Girdle, Pro, Aluminum, Orange, 7/16 in. Polylocks, Ford, Small Block, Std. Stud Spacing, Kit

Part Number: CSP-G4400

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Harland Sharp Original Roller Rockers S1001

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.5 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: CSP-S1001

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Heavy-Duty Roller Rockers SH2001

Rocker Arm, 1.7 Ratio, Aluminum, Heavy Duty, Roller, fits 7/16 in. Studs, Chevy, Big Block, Kit

Part Number: CSP-SH2001

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Original Roller Rockers S4003

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Fits 3/8 in. Stud, Ford, Small Block/351W, Set of 16

Part Number: CSP-S4003

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Original Roller Rockers S1004

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.5 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16

Part Number: CSP-S1004

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Original Roller Rockers S4102

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Fits 7/16 in. Stud, Ford, Small Block/351W, Set of 16

Part Number: CSP-S4102

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Original Roller Rockers S2001

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, Fits 7/16 in. Stud, Chevy, Big Block, Set of 16

Part Number: CSP-S2001

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Original Roller Rockers S5003

Rocker Arms, Full Roller, Aluminum, 1.6 Ratio, 7/16 in. Stud, Edelbrock Performer RPM, Oldsmobile, Set of 16

Part Number: CSP-S5003

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Original Roller Rockers S1002

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: CSP-S1002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Heavy-Duty Roller Rockers SH4005

Rocker Arms, Full Roller, 1.73 Ratio, Stud Mount Style, 7/16 in., Aluminum, Ford, Set of 16

Part Number: CSP-SH4005

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Diamond Roller Rockers SD2001

Rocker Arms, Diamond, Full Roller, Stud, 1.7 Ratio, Aluminum, Orange Anodized, Chevy, Big Block, Set of 16

Part Number: CSP-SD2001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Original Roller Rockers S4002

Rocker Arm, 1.6 Ratio, Aluminum, Roller, fits 3/8 in. Studs, Ford, 240/300, L6, Set of 12

Part Number: CSP-S4002

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Original Roller Rockers S4005

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.73 Ratio, Fits 7/16 in. Stud, Ford, Set of 16

Part Number: CSP-S4005

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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