Bilstein 33-345666 is an SG2 Series (G Series) shock absorber for motorsports applications. SG2 Series shocks have a steel monotube body with a 36mm piston and can be converted to a coilover design with a kit sold separately. This unit is a digressive dry kit with no valving, a digressive piston, an 11mm shaft, a smooth (non-coilover) body, a black paint finish and 1/2in heim mounts at the top and bottom. It measures 11.36 in collapsed and 17.22 in extended with 5.86 in of stroke, damping is non-adjustable, and it is factory rebuildable.
Notes:
- This is a motorsports shock, not a vehicle-specific part. No vehicle applications are given for this part number.
- It is supplied as a dry kit with no valving.
Specifications:
- Brand: Bilstein
- Part Number: 33-345666
- Series: G Series
- Product: Suspension Shock Absorber
- Collapsed Length (in): 11.36
- Extended Length (in): 17.22
- Extended Length (mm): 437.5
- Valve Code: Digressive Dry Kit (no valving)
- Stroke/travel Length (in): 5.86
- Lower Mount Type: 1/2in Heim
- Upper Mount Type: 1/2in Heim
- Internal Design: Monotube
- Finish: Black Paint
- Body Design: Smooth Body (Non-coilover)
- Piston Diameter: 36mm
- Body Material: Steel
- Boot Included: No
- Spring Seat Included: No
- Shaft Diameter: 11mm
- Piston Type: Digressive
- Service Type: Factory Rebuildable
- Adjustable Damping: Non-Adjustable
- Country of Origin: US
- Quantity per Vehicle: 1
FAQ
Is the Bilstein 33-345666 valved?
No. It is a digressive dry kit with no valving and a digressive piston.
What are the lengths and stroke of the 33-345666?
It measures 11.36 in collapsed and 17.22 in extended, with 5.86 in of stroke.
How does the 33-345666 mount?
It has 1/2in heim mounts at both the top and bottom.
Can the 33-345666 be used as a coilover?
It has a smooth (non-coilover) body as supplied. SG2 Series shocks can be converted to a coilover design with a kit sold separately.
Is the 33-345666 rebuildable?
Yes. It is factory rebuildable, and the damping is non-adjustable.

