Porsche 356 Metric Hardware Information

Category / Type

Size

Original (for 1965 356C)

Front Bumper Brackets/Attachment:

4 8x30mm 8.8 bolts

4 8x20mm 8.8 bolts

8mm lock rings

8.4mm fender washers

Kamax

Front Bumper Guards:

6 8mm nuts

6 8mm lock rings

6 8.4mm washers

???

Rear Bumper Brackets/Attachment:

2 8x50mm 8.8 bolts

6 8x30mm 8.8 bolts

2 8x20mm 8.8 bolts

10 8mm lock rings

10 8.4mm fender washers

Kamax

Rear Bumper Guards:

6 8mm nuts

6 8mm lock rings

6 8.4mm flat washers

???

Exhaust Funnel Attachment:

2 8mm nuts

2 8mm lock rings

2 8mm lock washers (E 644 555 309 05)

???

Pedal Cluster Attachment:

3 8mm 8.8 nuts

3 8mm lock rings

3 8.4mm washers

???

Anti-roll Bar:

2 10x55mm 8.8 bolts

4 8x20mm 8.8 bolts

2 6x35mm 8.8 bolts

2 10mm lock rings

4 8mm lock rings

2 6mm lock rings

2 10mm 8.8 nuts

2 6mm 8.8 nuts

Karro

Verbus

F * H

Front Spindle Attachments:

4 10x45mm 8.8 bolts

4 10mm lock rings

4 10mm 8.8 nuts

NSF

Rear Torsion Bar Cover Plates:

8 10x25mm bolts

8 10.5mm washers

???

Rear Axle to Radius Arms:

4 12x30mm, 1.5mm thread bolts

4 12mm spring washers

4 12mm, 1.5mm thread nuts

???

Rear Bottom Shock Attachments:

2 12x75mm, 1.5mm thread 8.8 bolts

4 12mm spring washers

4 12mm, 1.5mm thread 8.8 bolts

Kamax

Rear Shock Buffer Attachment:

2 12x22mm, 1.5 thread 8.8 bolts

2 12mm spring washers

2 12mm 8.8 nuts

Kamax

Front Brake Backing Plates:

2 8x22mm 8.8 bolts

6 8x12mm 8.8 bolts

Verbus

Kamax

Front Brake Rotors:

10 8x22mm 8.8 bolts

10 8mm spring washers

10 8mm 8.8 nuts

Verbus

Front Brake Caliper Attachment:

4 12x30mm, 1.5 thread 8.8 bolts

4 12mm spring washers

Kamax

Rear Brake Backing Plates:

8 8x8mm 8.8 bolts

8 mm spring washers

Verbus

Rear Brake Line Clips:

2 8x22mm 8.8 bolts

2 8mm lock rings

2 8mm nuts

Verbus

Rear Brake Rotors:

4 AM 6x10mm "csk.-head" screws

Rear Caliper Attachment:

4 10x25mm 10.9 bolts

4 10mm spring washers

Kamax

Rear Brake Support Kit:

8 8x18mm 10.9 bolts

8 8mm spring washers

Kamax

Steering Shock:

1 10x52mm 1.5 thread 8.8 bolt

1 10mm castle 8.8 nut

1 2x25mm cotter pin

Karro

Steering Coupler to Steering Shaft:

1 8x40mm 10.9 bolt

1 8mm 10.9 nut

Verbus

Front Hood Attachment:

4 8x20mm 8.8 bolts

4 8mm 8.8 nuts

Kamax

Rear Hood Attachment:

4 6x15mm 8.8 bolts

8 6.4mm washers

4 6mm 8.8 nuts

???

Front Hood Latch:

2 6x15mm 8.8 bolts

3 6x12mm 8.8 bolts

1 4.8x19mm tap screw, hex head

6 6mm lock rings

6 6.4mm washers

Kamax

Horns Attachment:

???

Kamax

Window Frame Brackets:

4 6x30mm 8.8 bolts

6 6x15mm 8.8 bolts

10 6x12mm 8.8 bolts

2 6x15mm half round screws

2 6mm spring washers

20 6mm lock rings

14 6.4mm washers

4 "large washers" (15 x 6 x 0.8)

6 6mm 8.8 nuts

Kamax

Clutch Attachment:

6 8x20mm socket cap bolts

6 8mm spring washers

???

Shifter Lever Bracket:

2 6x15mm bolts

2 6mm spring washers

3 8x18mm hex socket bolts

3 "shake-proof" (toothed) 8mm washers

3 8mm washers

???

Gask Tank Hold Down Brackets:

4 8x30mm 8.8 bolts

4 8mm lock rings

Kamax

Transmission Hoop Attachment:

2 12x30mm, 1.5 thread 8.8 bolts

2 12mm washers (front of hoop!)

Karro black oxide?

Transmission Mounts:

6 10x55 (60?)mm 8.8 bolts

2 8x20mm 8.8 bolts

6 10mm lock rings

2 8mm lock rings

6 10mm 8.8 nuts

2 8mm 8.8 nuts

Kamax

Weber adapter plates:

8 16mm 10.9 socket-cap screws, in place of Solex manifold studs

n/a