Bilstein B6 Front Strut Insert — Inner Thread, 2015/755, US +7mm | Porsche 911/912/930 1965–1989 (97-4052-0)

Bilstein B6 Front Strut Insert — Inner Thread, 2015/755, US w/ 7mm Spacer | Porsche 911/912/930 (97-4052-0)

The Bilstein B6 performance front strut insert for vintage Porsche 911, 912, and 930 — US version with 7mm spacer, Inner Threaded Strut Tube, 2015/755 setting. This is one of four strut insert variants in this series, so make sure you have the right thread style and setting for your car.

Vehicle Fitment

• Porsche 911: 1965–1989
• Porsche 912: 1965–1969 and 1976
• Porsche 930 (911 Turbo): 1978–1979
• Configuration: Inner Threaded Strut Tube — 2015/755 Setting — US version with 7mm spacer

Identifying your strut tube: The four EMPI strut insert variants for these chassis differ by (1) inner vs. outer threaded strut tube, (2) damper setting (2015/755 vs. 1505/1160), and (3) Euro vs. US version. Confirm the configuration on your car before ordering — using the wrong insert is the most common mistake on these chassis.

• 97-4051-0 — Inner threaded, 2015/755, Euro w/o spacer
• 97-4052-0 — Inner threaded, 2015/755, US w/ 7mm spacer (this product)
• 97-4053-0 — Outer threaded, 1505/1160
• 97-4054-0 — Inner threaded, 1505/1160 (B8 for lowered)

Why Choose Bilstein?

Bilstein's monotube gas-pressure design has more than 60 years of OEM and motorsport pedigree, with particularly deep history on the air-cooled Porsches. The B6 series gives these cars firmer damping and faster response than worn original units without changing ride height.

Key Features & Benefits

• Performance Valving: Firmer damping and faster response than worn original units.
• Monotube Construction: Bilstein gas-pressure monotube design for consistent, durable performance.
• Stock Ride Height: Upgrades damping without changing ride height.
• Correct Configuration: Inner threaded strut tube, 2015/755 setting, US version with 7mm spacer.
• Sold Individually: Two units required per car.

Technical Specifications

• EMPI Part #: 97-4052-0
• Bilstein Reference: P36-0111
• Performance Level: B6 — upgrade over stock
• Configuration: Inner threaded, 2015/755, US w/ 7mm spacer
• Collapsed Length: 17.09" (434 mm)
• Extended Length: 21.65" (550 mm)
• Sold As: Individually (qty 2 per car)

Frequently Asked Questions

• How do I choose the right strut insert? The four variants for these chassis differ by inner vs. outer threaded strut tube, damper setting (2015/755 vs. 1505/1160), and Euro vs. US version. Confirm your car's configuration before ordering — this product is the inner threaded, 2015/755, US w/ 7mm spacer version.
• Are these sold as a pair or individually? Individually — you need two per car.
• Will these change my ride height? No. The B6 upgrades damping while keeping stock ride height.

Explore Related Categories

Refreshing your Porsche suspension? Browse more in Suspension, find parts in Porsche 911, or see the full Bilstein lineup.