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Rocker shaft. Porsche 911 1965-89 / 964 / 914 - 90110534205
90110534205/1
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 914 (1970-1976)
Information
Rocker Shaft.
Diagram Ref No 7
Manufactured from high-strength, precision-machined hardened steel, the rocker shaft is engineered to withstand constant mechanical loading, high engine temperatures and continuous lubrication. Its precision-ground surface minimises friction and wear between the shaft and rocker arm, ensuring accurate valve actuation throughout the engine's operating range. Designed for direct OE-style fitment, it is ideal for engine rebuilds, maintenance or replacing worn original components.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110534205
The product you are viewing cross references to these numbers
The OE Match Rocker Shaft is a premium-quality replacement valvetrain component designed to provide a precision mounting and pivot point for the engine's rocker arm assembly on compatible Porsche engines. Manufactured to OE specifications for fit, hardness and durability, the rocker shaft ensures smooth rocker arm movement, accurate valve operation and reliable engine performance.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 914 (1970-1976)
Diagram Ref No 7
Manufactured from high-strength, precision-machined hardened steel, the rocker shaft is engineered to withstand constant mechanical loading, high engine temperatures and continuous lubrication. Its precision-ground surface minimises friction and wear between the shaft and rocker arm, ensuring accurate valve actuation throughout the engine's operating range. Designed for direct OE-style fitment, it is ideal for engine rebuilds, maintenance or replacing worn original components.
What This Product Does:
- Provides the pivot point for the rocker arm assembly.
- Supports accurate opening and closing of the engine valves.
- Maintains correct valvetrain geometry.
- Reduces friction between the rocker arm and shaft.
- Ensures smooth and consistent valve operation.
- Helps maintain precise valve timing and engine performance.
- Supports long-term durability of the valvetrain.
- Forms an essential part of the engine's valve train assembly.
Symptoms Of Wear Or Failure:
- Tapping or ticking noises from the cylinder head.
- Excessive rocker arm play.
- Accelerated rocker arm wear.
- Uneven valve operation.
- Reduced engine performance.
- Rough idle.
- Increased valvetrain noise during acceleration.
- Visible scoring or wear on the shaft surface.
- Engine oil leaks around the rocker shaft area where applicable.
- Premature wear of associated valvetrain components.
Why Replacement Matters:
- The rocker shaft is subjected to continuous contact with the rocker arms while operating under high engine loads, elevated temperatures and constant lubrication. Over time, the shaft surface can wear, become scored or develop excessive clearance, affecting the accuracy of valve movement and increasing valvetrain noise.
- A worn rocker shaft can accelerate wear of the rocker arms and valve train components, resulting in reduced engine efficiency, increased mechanical noise and compromised valve timing. If left unattended, excessive wear may lead to more extensive engine repairs during future maintenance or rebuilds.
- Replacing a worn rocker shaft restores precise rocker arm operation, correct valve geometry and smooth engine performance. The OE Match replacement provides factory-style fitment, precision-machined hardened steel construction and exceptional durability, helping maintain reliable valve operation, engine efficiency and the long-term performance expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110534205
90110534204
90110534205
The product you are viewing cross references to these numbers
Price: £16.00
In stock
Related products
Vehicle Group
- Porsche 356 1950-55
Information
Valve push rod set (8 pcs).
Fits:
Porsche 356 PRE-A
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
53905020SET
The product you are viewing cross references to these numbers
Fits:
Porsche 356 PRE-A
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
53905020SET
53905020
The product you are viewing cross references to these numbers
Price: £595.00
Orderable
Vehicle Group
- Porsche 356 1950-55
Information
Cam follower set (8 pcs).
For the 2 piece engine case. Very high quality!! CNC machined and hardened to 62 HRC.
Fits:
Porsche 356 PRE-A
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
36905222SET
The product you are viewing cross references to these numbers
For the 2 piece engine case. Very high quality!! CNC machined and hardened to 62 HRC.
Fits:
Porsche 356 PRE-A
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
36905222SET
53905020SET
The product you are viewing cross references to these numbers
Price: £635.00
Orderable
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
HP Lifters, Works With All Stock Profile Camshafts (8 pcs).
Restore reliable valve-train operation and consistent camshaft performance with this OE Match HP Lifter Set, reference GDP356/912LIFTER. Supplied as a set of 8 lifters, these components are designed for compatible engine applications and are intended to work with all stock-profile camshafts, making them suitable for standard-specification engine rebuilds, restorations, and maintenance.
Fits:
Porsche 356 / 912
Lifters, also known as cam followers or tappets, form a critical interface between the camshaft and the engine's valve train. As the camshaft rotates, each cam lobe acts on a lifter, transferring movement through the associated valve-train components to open and close the intake and exhaust valves at the correct points in the engine cycle.
What This Product Does:
Why Replacement Matters:
Restore reliable valve-train operation and consistent camshaft performance with this OE Match HP Lifter Set, reference GDP356/912LIFTER. Supplied as a set of 8 lifters, these components are designed for compatible engine applications and are intended to work with all stock-profile camshafts, making them suitable for standard-specification engine rebuilds, restorations, and maintenance.
Fits:
Porsche 356 / 912
Lifters, also known as cam followers or tappets, form a critical interface between the camshaft and the engine's valve train. As the camshaft rotates, each cam lobe acts on a lifter, transferring movement through the associated valve-train components to open and close the intake and exhaust valves at the correct points in the engine cycle.
What This Product Does:
- Includes 8 lifters for a complete compatible engine application.
- Works with compatible stock-profile camshafts.
- Follows the rotating camshaft lobes.
- Transfers camshaft movement through the valve train.
- Helps control correct intake and exhaust valve operation.
- Supports accurate valve timing and valve lift.
- Provides a consistent contact surface between the camshaft and valve train.
- Helps maintain smooth and dependable engine operation.
- Replaces worn, pitted, scored, or damaged lifters.
- Provides an OE Match solution for compatible engine rebuilds and restorations.
Symptoms Of Wear Or Failure:
- Ticking, tapping, or clicking noises from the valve train.
- Increased mechanical noise as engine speed rises.
- Difficulty maintaining correct valve clearances.
- Reduced engine performance.
- Rough or inconsistent engine operation.
- Reduced valve lift caused by component wear.
- Pitting or scoring on the lifter contact surfaces.
- Concave or unevenly worn lifter faces.
- Visible camshaft lobe wear.
- Metallic particles in the engine oil.
- Abnormal wear discovered during valve-train inspection.
- Damaged or excessively worn lifters found during an engine rebuild.
Why Replacement Matters:
- Lifters operate directly against the camshaft and are critical to correct valve-train operation. A worn lifter surface can prevent the component from following the camshaft profile correctly, potentially affecting valve lift, valve timing, combustion efficiency, and overall engine performance.
- Lifter and camshaft wear are also closely related. A damaged or incorrectly matched lifter can accelerate wear of the corresponding camshaft lobe. Once this wear begins, metallic debris may circulate through the engine oil and contribute to damage elsewhere within the engine.
- Replacing worn lifters is particularly important during an engine rebuild or when installing an appropriate camshaft. Correct compatibility between the camshaft profile and lifters helps establish the correct contact pattern and promotes reliable long-term operation.
- Replacing worn or damaged components with this OE Match HP Lifter Set GDP356/912LIFTER – 8 Pieces helps restore consistent valve-train movement, correct camshaft operation, and dependable engine performance when installed with a compatible stock-profile camshaft.
Price: £299.63
Delayed delivery
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
Set Of Web Cam Lifters.
Restore dependable valve-train operation and provide the correct working interface for a compatible camshaft with this OE Match Set of Web Cam Lifters, reference WC-NL-174. Designed for use in compatible engine builds, these lifters—also known as cam followers or tappets—transfer the movement of the camshaft through the valve train, allowing the intake and exhaust valves to open and close correctly.
Fits:
Porsche 356 / 912
Lifters operate directly against the camshaft lobes and are subjected to continuous mechanical loading, friction, and high engine temperatures. Their condition and compatibility with the camshaft are therefore critical to valve-train reliability. A correctly matched lifter maintains consistent contact with the cam lobe, helping preserve the intended camshaft profile and accurate valve operation.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Restore dependable valve-train operation and provide the correct working interface for a compatible camshaft with this OE Match Set of Web Cam Lifters, reference WC-NL-174. Designed for use in compatible engine builds, these lifters—also known as cam followers or tappets—transfer the movement of the camshaft through the valve train, allowing the intake and exhaust valves to open and close correctly.
Fits:
Porsche 356 / 912
Lifters operate directly against the camshaft lobes and are subjected to continuous mechanical loading, friction, and high engine temperatures. Their condition and compatibility with the camshaft are therefore critical to valve-train reliability. A correctly matched lifter maintains consistent contact with the cam lobe, helping preserve the intended camshaft profile and accurate valve operation.
What This Product Does:
- Follows the profile of the rotating camshaft lobes.
- Transfers camshaft movement through the valve train.
- Helps control the opening and closing of the intake and exhaust valves.
- Supports correct valve lift and timing.
- Provides a critical contact surface between the camshaft and valve train.
- Helps maintain consistent valve-train operation.
- Supports smooth and dependable engine performance.
- Replaces worn, pitted, scored, or damaged lifters.
- Provides a suitable solution for compatible engine rebuilds and camshaft installations.
Symptoms Of Wear Or Failure:
- Ticking, tapping, or clicking from the valve train.
- Increasing valve-train noise with engine speed.
- Difficulty maintaining correct valve clearances.
- Repeated changes in valve adjustment.
- Reduced engine power or performance.
- Rough or inconsistent engine operation.
- Reduced valve lift due to component wear.
- Pitting or scoring on the lifter faces.
- Concave or uneven wear on the lifter contact surfaces.
- Visible wear or damage to corresponding camshaft lobes.
- Metallic particles in the engine oil.
- Abnormal lifter wear discovered during engine disassembly.
Why Replacement Matters:
- Lifters are critical to both valve operation and camshaft durability. The camshaft and lifter contact surfaces operate together under substantial mechanical pressure, and excessive wear to either component can alter the intended valve lift and timing.
- A worn, pitted, or incorrectly matched lifter may damage the corresponding camshaft lobe. As the surfaces deteriorate, metal particles can enter the engine oil and circulate through the lubrication system, potentially contributing to further internal engine wear.
- A badly worn lifter or cam lobe can also reduce valve lift, affecting cylinder filling and exhaust gas flow. This may result in reduced performance, rough running, and inefficient combustion.
- Correct installation is particularly important when fitting replacement lifters. The condition of the camshaft must be inspected carefully, and the lifters must be compatible with the specific camshaft being used. Installing new lifters against an unsuitable or severely worn camshaft may result in rapid wear and premature failure.
- Replacing worn or unsuitable components with the correct OE Match Web Cam Lifters WC-NL-174 helps restore consistent valve-train movement, correct camshaft operation, and dependable engine performance when correctly matched and installed.
Price: £264.28
Delayed delivery