Engine Bolts / Studs

Engine Head Studs Cap Nut. 24  required per engine. 

Fits:
Porsche 911 1970-89

Click picture for large parts diagram.
Diagram Ref No 24.

Engine Head Studs Porsche 911 / 964 / 993 1965-98
Normally 24 studs per engine.

Solves the problems of loose head studs, The exhaust leak you hear in the 911 may actually be the cylinder head leaking where the studs have pulled loose. As Porsche increased displacement of the 911 engine, the different rates of thermal expansion have caused head studs to break or pull out from the engine case.

Superior Tested/Proven strength. (compared to Dilavar & Raceware)

Fits:
Porsche 911 1965-89
Porsche 964 1989-94
Porsche 993 1994-98

This product supersedes Porsche's old part numbers:
- 993 101 170 51

Click picture for large parts diagram.
Diagram Ref No 2.

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99310117054

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Engine head studs upper standard. Price is for each.

Fits:
Porsche 911 1974-89 (12pcs Required)
Porsche 911 2.7L Carrera 1973 (24pcs Required)

Diagram Ref No 2

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91110117200

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Engine head studs upper standard.
Price is for each.

Fits:
Porsche 911 1974-89 (12pcs Required)
Porsche 911 2.7L Carrera 1973 (24pcs Required)

Diagram Ref No 2

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91110117200

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Engine head studs. Set of 24 head studs with nuts and washers.

SET OF 24
Head stud kit for Porsche 2.0L-3.8L air-cooled engines

Fits:
Porsche 911 1965-89
Porsche 964 1989-94
Porsche 993 1994-98

Diagram Ref No 2

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99310117054

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Exhaust head stud. Made out of Titanium (Grade 5 Ti-6Al-4V) M8 x 22
Sold each.



Fits
Porsche 911 1965 - 83

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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90006010601T

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These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system. 



• Ultra-high-performance product
• Use of Titanium Ti6Al4V technology

Contains 12 x Studs, Nuts & Washers

Fits:
Porsche 911 1965-77
Porsche 964 (none Turbo)
Porsche 993 All
Porsche 996 (none Turbo)
Porsche 997 (none Turbo)
Porsche 986 All
Porsche 987 All
Porsche 718 4 Cyl Turbo

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TITANSTUDS12

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Exhaust head stud repair kit for Porsche Air-cooled 911's



Never lose sleep again over a bent or broken exhaust stud on a 911 engine. This new tool is a must for every 911 mechanic and will pay for itself the first time you use it. This is a quick and totally accurate tool to repair and replace broken studs without damaging the head, or worse, having to remove the engine. The SR065 fixture indexes off of the exhaust port (by using one of the various sized port bushings included), secures to the opposite stud, and allows you to drill out, tap, and replace the stud dead on, every time. Includes LH drill bits, tap with extension, drill jigs/guides, port bushings, and a sturdy storage case.

Now includes our SR065D drill guide.

Fits ALL of the 911 heads including the 993.

Exhaust head stud, L - 36mm.
Sold each.



Fits
Porsche 911 2.7L / 3.0L 1974-83

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99906200602

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Exhaust head stud, L - 36mm
Sold each.

Fits
Porsche 911 2.7L / 3.0L 1974-83

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99906200602

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Gearbox housing stud, M 10 X 25.



Fits:
Porsche 911 1972-73 (TYP 915)
Porsche 911 1974-89
Porsche 911 (930) Turbo 1975-89

Click 'Zoom in' for large parts diagram.
Diagram ref no 7

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99906218202

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Gearbox housing stud, M 8 X 38.



Fits:
Porsche 911 / SC / Carrera 1977-86
Porsche 911 Turbo 1977-77
Porsche 924  1976-79 with 5-Speed Gearbox
Porsche 924 Turbo/ GT 1980-85 Manual Gearbox G31.01/02/03

Click 'Zoom in' for large parts diagram.
Diagram ref no. 2 (for 911) or no.19 (for 924)

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99906209802

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High performance stud + nut kits for the exhaust manifold to cylinder head for Porsche. Using titanium and Inconel alloy studs, aerospace lock nuts, and a well-thought and balanced combination of metals and plating/coatings, our fasteners will perform better than the traditional fastener. They will never oxidize, and hence will unscrew easily when required.



Novel ultra-high-performance product
• Use of Inconel 718 and aerospace technology
• Extreme perceived quality

Contains 12 x Studs, Nuts & Washers

Fits:
Porsche 911 1965-77
Porsche 964 (non Turbo)
Porsche 993 All
Porsche 996 (non Turbo)
Porsche 997 (non Turbo)
Porsche 986 All
Porsche 987 All
Porsche 718 4 Cyl Turbo

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SL-In-12

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Screw for crankcase.



Fits:
Porsche 911 /S (1965 to 1977; with 2.7L engines)
Porsche 914-6 (1970 to 1972)

Click 'Zoom in' for large parts diagram.
Diagram ref no 29

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90110117300

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Stud bolt, M10x69. Each.



Fits:
Porsche 914/6 (1970 - 1972)
Porsche 911 F  (1965 - 1973)
Porsche 911 Carrera (1984 - 1986)
Porsche 911 Turbo (1975 - 1986)

Click 'Zoom in' for large parts diagram.
Diagram ref no 6 (and no 7 for 914 only)

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99906103402

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Through bolt o-ring installer for Porsche 911



Installing O-rings on the through bolts for a 911 engine case often slices the rings on the threads of the bolt, leading to ripped seals at best, or a leaky engine at worst. Use this cap to protect the O-ring and to insure a factory quality seal. Precisely machined from quality brass.