Bilstein B6 Front Strut Insert — Outer Thread, 1505/1160 | Porsche 911/912/914/930 1965–1989 (97-4053-0)

Bilstein B6 Front Strut Insert — Outer Thread, 1505/1160 | Porsche 911/912/914/930 (97-4053-0)

The Bilstein B6 performance front strut insert for vintage Porsche 911, 912, 914, and 930 — Outer Threaded Strut Tube, 1505/1160 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 914: 1970–1976
• Porsche 930 (911 Turbo): 1978–1979
• Configuration: Outer Threaded Strut Tube — 1505/1160 Setting

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
• 97-4053-0 — Outer threaded, 1505/1160 (this product)
• 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: Outer threaded strut tube, 1505/1160 setting.
• Sold Individually: Two units required per car.

Technical Specifications

• EMPI Part #: 97-4053-0
• Bilstein Reference: 34-001141
• Performance Level: B6 — upgrade over stock
• Configuration: Outer threaded, 1505/1160
• Collapsed Length: 17.09" (434 mm)
• Extended Length: 21.77" (553 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 outer threaded, 1505/1160 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.

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