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Automotive Crankshaft Seal Fel-Pro Equivalent

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GFS Automotive Crankshaft Seals are high-performance rotary seals engineered specifically for race-car crankshaft applications. Designed as direct equivalents to Fel-Pro® 2912 and 2918, these seals deliver superior sealing capability under the extreme temperatures, speeds, and pressures found in competitive engines.

PERFORMANCE & SPECIFICATIONS

Precision-manufactured to optimize both durability and friction control, our crankshaft seals are available in Teflon for dry-sump or vacuum environments and Viton for wet-sump, non-vacuum setups. Each material option is selected to provide maximum stability, wear resistance, and predictable performance.

To accommodate a variety of build requirements, GFS offers these seals with zero, one, or two splits, depending on the desired material and customer preference. All splits are performed in-house using a specialized method that ensures proper alignment, excellent sealing integrity, and simplified installation.

See our Installation Tutorial Here.

Note: Fel-Pro is a registered trademark of Federal-Mogul Motorparts LLC. Our product is not manufactured or endorsed by Fel-Pro®.

  •  Specifications
    • Materials: Teflon or Viton
    • Crank Diameter: 2.430 or 2.625
    • Teflon seals are offered with a single or double split. Viton seals are offered with a single or no split.
  • Recommended Applications
    • Chevrolet Big Block Crankshaft
    • Chevrolet Small Block Crankshaft
  • Material Datasheets
  • Equivalent Profiles
    • Fel-Pro® 2912
    • Fel-Pro® 2918

Shaft Diameter (In.)
Shaft Diameter
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Outer Diameter (In.)
Outer Diameter
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Grouped product items
PART NUMBER Shaft Diameter (In.) Legacy Manufacturing Part Number Outer Diameter (In.) Width (In.) Ships Within
PRICE
ADD TO CART
Teflon Single Split Crankshaft Seal 2.43 Shaft Diameter for Chevrolet Small Block

Shaft Diameter (In.) 2.430

Legacy Manufacturing Part Number FELPRO 2912

Outer Diameter (In.) 3.030

Width (In.) 0.4

Ships Within 3 Days

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Starting at: $35.00
PRICE QTY
$35.00
Teflon Double Split Crankshaft Seal 2.43 Shaft Diameter for Chevrolet Small Block

Shaft Diameter (In.) 2.430

Legacy Manufacturing Part Number FELPRO 2912

Outer Diameter (In.) 3.030

Width (In.) 0.4

Ships Within 3 Days

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Starting at: $35.00
PRICE QTY
$35.00
Viton No Split Crankshaft Seal 2.43 Shaft Diameter for Chevrolet Small Block

Shaft Diameter (In.) 2.430

Legacy Manufacturing Part Number FELPRO 2912

Outer Diameter (In.) 3.030

Width (In.) 0.4

Ships Within 3 Days

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Starting at: $30.00
PRICE QTY
$30.00
Viton Single Split Crankshaft Seal 2.43 Shaft Diameter for Chevrolet Small Block

Shaft Diameter (In.) 2.430

Legacy Manufacturing Part Number FELPRO 2912

Outer Diameter (In.) 3.030

Width (In.) 0.4

Ships Within 3 Days

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Starting at: $30.00
PRICE QTY
$30.00
Teflon Single Split Crankshaft Seal 2.625 Shaft Diameter for Chevrolet Big Block

Shaft Diameter (In.) 2.630

Legacy Manufacturing Part Number FELPRO 2918

Outer Diameter (In.) 3.340

Width (In.) 0.4

Ships Within 3 Days

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Starting at: $36.00
PRICE QTY
$36.00
Teflon Double Split Crankshaft Seal 2.625 Shaft Diameter for Chevrolet Big Block

Shaft Diameter (In.) 2.630

Legacy Manufacturing Part Number FELPRO 2918

Outer Diameter (In.) 3.340

Width (In.) 0.4

Ships Within 3 Days

See more

Starting at: $36.00
PRICE QTY
$36.00
Viton No Split Crankshaft Seal 2.625 Shaft Diameter for Chevrolet Big Block

Shaft Diameter (In.) 2.630

Legacy Manufacturing Part Number FELPRO 2918

Outer Diameter (In.) 3.340

Width (In.) 0.4

Ships Within 3 Days

See more

Starting at: $32.00
PRICE QTY
$32.00
Viton Single Split Crankshaft Seal 2.625 Shaft Diameter for Chevrolet Big Block

Shaft Diameter (In.) 2.630

Legacy Manufacturing Part Number FELPRO 2918

Outer Diameter (In.) 3.340

Width (In.) 0.4

Ships Within 3 Days

See more

Starting at: $32.00
PRICE QTY
$32.00