1980 Pontiac Grand Am Rocker Arm

Part Number: 4683-03594373

Notes: High Energy Die Cast Aluminum Roller Rocker Arm Set; 3 / 8 in. Stud; 1.5 Ratio; 16 pc.

Features:

• 1 Year Limited Warranty
• Affordable Aluminum Rocker Arms
• Improved Performance Potential
• Lower Oil Temps
• Provides Added Valve Lift
• Provides Superior Strength To Weight Ratio
• Reduce Friction
• Withstands Rigors Of Performance Applications

Part Number: 4683-03594360

Notes: High Energy Die Cast Aluminum Roller Rocker Arm Set; 3 / 8 in. Stud; 1.6 Ratio; 16 pc.

Features:

• 1 Year Limited Warranty
• Affordable Aluminum Rocker Arms
• Improved Performance Potential
• Lower Oil Temps
• Provides Added Valve Lift
• Provides Superior Strength To Weight Ratio
• Reduce Friction
• Withstands Rigors Of Performance Applications

Part Number: 4683-03594382

Notes: High Energy Die Cast Aluminum Roller Rocker Arm Set; 7 / 16 in. Stud; 1.5 Ratio; 16 pc.

Features:

• 1 Year Limited Warranty
• Affordable Aluminum Rocker Arms
• Improved Performance Potential
• Lower Oil Temps
• Provides Added Valve Lift
• Provides Superior Strength To Weight Ratio
• Reduce Friction
• Withstands Rigors Of Performance Applications

Part Number: 4683-03594406

Notes: High Energy Steel Rocker Arm Set; 3 / 8 in. Stud; 1.5 Ratio; 16 pc.

Features:

• 1 Year Limited Warranty
• Affordable Rocker Arms
• Cost Effective Aluminum Construction
• Durable Design Increases Valve Lift
• Provides Superior Strength To Weight Ratio
• Withstands The Rigors Of Moderate Race Use

Part Number: 4683-03594416

Notes: Magnum Roller Rocker Arm Set; 3 / 8 in. Stud; 1.52 Ratio; 16 pc.

Detailed Notes: Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle~ 50-State Legal 1993-Earlier Chevy CARB E.O. D-279-4~ Engines w / Self-Aligning Rocker Arms Must Use PN[1417-16 / 1317-16]~ Will Not Replace Late Model Rail Rocker

Features:

• 1 Year Limited Warranty
• 8620 Chromemoly Steel
• Long Slot For High Lift Cams
• More Power And Last Longer
• Super Accurate Ratio
• Super Strong Design
• Ultimate Street Rocker

Part Number: 4683-03594427

Notes: Magnum Roller Rocker Arm Set; 7 / 16 in. Stud; 1.52 Ratio; 16 pc.

Features:

• 1 Year Limited Warranty
• 8620 Chromemoly Steel
• Long Slot For High Lift Cams
• More Power And Last Longer
• Super Accurate Ratio
• Super Strong Design
• Ultimate Street Rocker

Part Number: 4683-03594431

Notes: Magnum Roller Rocker Arm Set; 7 / 16 in. Stud; 1.65 Ratio; 16 pc.

Features:

• 1 Year Limited Warranty
• 8620 Chromemoly Steel
• Long Slot For High Lift Cams
• More Power And Last Longer
• Super Accurate Ratio
• Super Strong Design
• Ultimate Street Rocker

Part Number: 4683-03594486

Notes: Magnum Roller Rocker Arm Set; Rocker Stud 3 / 8 in.; Ratio 1.6; Chevy V8 265-400 cid; 16 pc.

Features:

• 1 Year Limited Warranty
• 8620 Chromemoly Steel
• Long Slot For High Lift Cams
• More Power And Last Longer
• Super Accurate Ratio
• Super Strong Design
• Ultimate Street Rocker

Part Number: 4683-03305669

Notes: Magnum Roller Rocker Arm; 3 / 8 in. Stud; 1.52 Ratio; 1 pc.

Detailed Notes: 50-State Legal 1993-Earlier Chevy CARB E.O. D-279-4~ Engines w / Self-Aligning Rocker Arms Must Use PN[1417-16 / 1317-16]

Features:

• 1 Year Limited Warranty
• 8620 Chromemoly Steel
• Long Slot For High Lift Cams
• More Power And Last Longer
• Super Accurate Ratio
• Super Strong Design
• Ultimate Street Rocker

Part Number: 4683-03594384

Notes: Ultra Pro Magnum Roller Rocker Arm Set; 3 / 8 in. Stud; 1.52 Ratio; 16 pc.

Features:

• 29 Percent Stronger Than Pro Magnum
• 8650 Chromemoly Steel
• Black Oxide Exterior Finish
• Increased High RPM Stability
• Increased Retainer And Valve Spring Clearances
• Lifetime Warranty
• Redesigned Steel Stud Mount Rocker
• Reduced Weight And Greater Strength

Part Number: 4683-03594376

Notes: Ultra Pro Magnum Roller Rocker Arm Set; 3 / 8 in. Stud; 1.6 Ratio; 16 pc.

Features:

• 29 Percent Stronger Than Pro Magnum
• 8650 Chromemoly Steel
• Black Oxide Exterior Finish
• Increased High RPM Stability
• Increased Retainer And Valve Spring Clearances
• Lifetime Warranty
• Redesigned Steel Stud Mount Rocker
• Reduced Weight And Greater Strength

Part Number: 4683-03594367

Notes: Ultra Pro Magnum Roller Rocker Arm Set; 7 / 16 in. Stud; 1.52 Ratio; 16 pc.

Features:

• 29 Percent Stronger Than Pro Magnum
• 8650 Chromemoly Steel
• Black Oxide Exterior Finish
• Increased High RPM Stability
• Increased Retainer And Valve Spring Clearances
• Lifetime Warranty
• Redesigned Steel Stud Mount Rocker
• Reduced Weight And Greater Strength

Part Number: 4683-03627338

Notes: Ultra Pro Magnum Roller Rocker Arm Set; 7 / 16 in. Stud; 1.6 Ratio; 16 pc.

Features:

• 29 Percent Stronger Than Pro Magnum
• 8650 Chromemoly Steel
• Black Oxide Exterior Finish
• Increased High RPM Stability
• Increased Retainer And Valve Spring Clearances
• Lifetime Warranty
• Redesigned Steel Stud Mount Rocker
• Reduced Weight And Greater Strength

Part Number: 4683-03594385

Notes: Ultra Pro Magnum XD Roller Rocker Arm Set; 7 / 16 in. Stud; 1.5 Ratio; 16 pc.

Detailed Notes: Must Use Screw-In Studs And Guide Plates

Features:

• 8650 Steel Construction
• Engineered For Use In Endurance/Circle/Drag Race
• FEA And CAD Development
• Improved Strength And Stiffness
• Lifetime Warranty
• Outlasts And Outperforms Other Rockers
• Rebuildable Design
• Unique Machined Billet Pushrod Seat

Part Number: 4683-03594425

Notes: Ultra-Gold Aluminum Rocker Arm Set; 3 / 8 in. Stud; 1.5 Ratio; 16 pc.

Features:

• American Made Quality
• Buy Them Once And Use Them Forever
• CNC-Machined
• Lifetime Warranty
• Lightweight Design
• Modern Design Features
• Most Advanced Aluminum Rocker Arms Ever Offered
• Unrivaled Quality And Ratio Accuracy

Part Number: 4683-03594421

Notes: Ultra-Gold Aluminum Rocker Arm Set; 3 / 8 in. Stud; 1.6 Ratio; 16 pc.

Features:

• American Made Quality
• Buy Them Once And Use Them Forever
• CNC-Machined
• Lifetime Warranty
• Lightweight Design
• Modern Design Features
• Most Advanced Aluminum Rocker Arms Ever Offered
• Unrivaled Quality And Ratio Accuracy

Part Number: 4683-03594426

Notes: Ultra-Gold Aluminum Rocker Arm Set; 7 / 16 in. Stud; 1.5 Ratio; 16 pc.

Detailed Notes: Must Use Screw-In Studs And Guide Plates

Features:

• American Made Quality
• Buy Them Once And Use Them Forever
• CNC-Machined
• Lifetime Warranty
• Lightweight Design
• Modern Design Features
• Most Advanced Aluminum Rocker Arms Ever Offered
• Unrivaled Quality And Ratio Accuracy

Part Number: 4683-03594419

Notes: Ultra-Gold Aluminum Rocker Arm Set; 7 / 16 in. Stud; 1.6 Ratio; 16 pc.

Features:

• American Made Quality
• Buy Them Once And Use Them Forever
• CNC-Machined
• Lifetime Warranty
• Lightweight Design
• Modern Design Features
• Most Advanced Aluminum Rocker Arms Ever Offered
• Unrivaled Quality And Ratio Accuracy

Part Number: 4683-03305416

Notes: Ultra-Gold Aluminum Rocker Arm; 7 / 16 in. Stud; 1.5 Ratio; 1 pc.

Detailed Notes: Must Use Screw-In Studs And Guide Plates

Features:

• American Made Quality
• Buy Them Once And Use Them Forever
• CNC-Machined
• Lifetime Warranty
• Lightweight Design
• Modern Design Features
• Most Advanced Aluminum Rocker Arms Ever Offered
• Unrivaled Quality And Ratio Accuracy

Part Number: 4683-03305284

Notes: Ultra-Gold Aluminum Rocker Arm; 7 / 16 in. Stud; 1.6 Ratio; 1 pc.

Detailed Notes: Must Use Screw-In Studs And Guide Plates

Features:

• American Made Quality
• Buy Them Once And Use Them Forever
• CNC-Machined
• Lifetime Warranty
• Lightweight Design
• Modern Design Features
• Most Advanced Aluminum Rocker Arms Ever Offered
• Unrivaled Quality And Ratio Accuracy

Part Number: 4683-03305462

Notes: Ultra-Gold(TM) Aluminum; Stud 7 / 16 in. Ratio 1.6; Chevy SB V8 265-400; 8 pc.;

Detailed Notes: Must Use Screw-In Studs And Guide Plates

Features:

• American Made Quality
• Buy Them Once And Use Them Forever
• CNC-Machined
• Lifetime Warranty
• Lightweight Design
• Modern Design Features
• Most Advanced Aluminum Rocker Arms Ever Offered
• Unrivaled Quality And Ratio Accuracy

Part Number: 4683-05634232

Notes: Engine Rocker Arm

Part Number: 4683-05669276

Notes: Engine Rocker Arm Kit -- Type: Rocker Arm Assembly, Bulk; included arm, ball & nut

Part Number: 4683-05434623

Notes: Engine Rocker Arm Kit -- included arm, ball & nut

Part Number: 4683-03516888

Notes: included arm, ball & nut

Part Number: 4683-07980221

Notes: Stock

Features:

• Melling lists rocker arms for both domestic and import applications. Depending on OEM design specifications, Melling rocker arms are provided in either stamped or cast materials. Each rocker arm is built from only the best materials and manufacturing processes available. Melling recommends installing new rocker arms and components with every engine rebuild to assure long engine life and the most efficient performance.

Part Number: 4683-07488254

Notes: Stock

Features:

• New Melling rocker arms should always be part of a new valve train build. To make selection of the desired combination of rocker arms and installation hardware easier, Melling offers rocker arm kits that provide the rocker arm and correct fulcrum, bolt and stud combinations for your engine application.

Part Number: 4683-07708509

Notes: Stock

Features:

• New Melling rocker arms should always be part of a new valve train build. To make selection of the desired combination of rocker arms and installation hardware easier, Melling offers rocker arm kits that provide the rocker arm and correct fulcrum, bolt and stud combinations for your engine application.

Part Number: 4683-07963511

Notes: Stock -- Without Rail

Features:

• Melling lists rocker arms for both domestic and import applications. Depending on OEM design specifications, Melling rocker arms are provided in either stamped or cast materials. Each rocker arm is built from only the best materials and manufacturing processes available. Melling recommends installing new rocker arms and components with every engine rebuild to assure long engine life and the most efficient performance.

Part Number: 4683-05441558

Notes: Engine Rocker Arm Kit -- Kit - Boxed; 16 Quantity

Part Number: 4683-05441568

Notes: Engine Rocker Arm Kit -- Kit - Boxed; 16 Quantity

Part Number: 4683-05441559

Notes: Engine Rocker Arm Kit -- Kit - Carded; 16 Quantity

Part Number: 4683-05441569

Notes: Engine Rocker Arm Kit -- Kit - Carded; 16 Quantity

Part Number: 4683-05441636

Notes: Engine Rocker Arm Kit -- Kit - Hi-Perf. - (Long Slot) - 1.5 Ratio

Part Number: 4683-05441637

Notes: Engine Rocker Arm Kit -- Kit - Hi.Perf. - 16" Long Slot - 1.6 Ratio