$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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  • Fastener Tensile Strength (psi)
  • Approximate Connecting Rod Weight (g)
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  • Filters

  • Make/Engine
  • Pin End Bore Diameter
  • Quantity
  • Clearanced for Stroker
  • Connecting Rod Bolt Material
  • Fastener Tensile Strength (psi)
  • Approximate Connecting Rod Weight (g)
  • Advertised Horsepower Rating
  • Advertised RPM Rating
  • Pin End Width (in.)
  • Magnafluxed
  • Price Range
Eagle Specialty Products

Eagle FSI I-Beam Connecting Rods

4.89 out of 5 stars 18 Customer Reviews

Eagle FSI I-beam connecting rods are forged strong from 4340 steel. They are fitted with 7/16 in. ARP 8740 cap screw-style rod bolts, alignment sleeves for precise cap location, and silicone bronze pin bushings. Sizing is performed using the Sunnen Kross grinding system and is weight-matched to +/- 1 gram. Get your modified pump-gas racing engines cranking with FSI I-beam connecting rods from Eagle.

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Eagle FSI I-Beam Connecting Rods FSI6125O

Eagle FSI I-Beam Connecting Rods FSI6125O

Eagle FSI I-Beam Connecting Rods FSI6125O

Connecting Rods, FSI I-Beam, Forged 4340 Steel, Shot-Peened, Floating, 6.125 in. Long, GM LS, Set of 8

Part Number: ESP-FSI6125O

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Eagle FSI I-Beam Connecting Rods FSI6125O-1

Eagle FSI I-Beam Connecting Rods FSI6125O-1

Eagle FSI I-Beam Connecting Rods FSI6125O-1

Connecting Rods, FSI I-Beam, Forged 4340 Steel, Shot-Peened, Floating, 6.125 in. Long, GM LS, Each

Part Number: ESP-FSI6125O-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Eagle FSI I-Beam Connecting Rods FSI6125O2000

Eagle FSI I-Beam Connecting Rods FSI6125O2000

Eagle FSI I-Beam Connecting Rods FSI6125O2000

Connecting Rod, FSI I-Beam, Forged 4340 Steel, Shot-Peened, 6.125 in. Length, Chevy, Small Block, Set of 8

Part Number: ESP-6125O2000

Not Yet Reviewed

Estimated Ship Date: Today

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Eagle FSI I-Beam Connecting Rods FSI6125O2000

Eagle FSI I-Beam Connecting Rods FSI6125O2000

Eagle FSI I-Beam Connecting Rods FSI6125O2000

Connecting Rod, FSI I-Beam, Forged 4340 Steel, Shot-Peened, 6.125 in. Length, Chevy, Small Block, Set of 8

Part Number: ESP-FSI6125O2000

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Eagle FSI I-Beam Connecting Rods FSI6125O2000

Eagle FSI I-Beam Connecting Rods FSI6125O2000

Not Yet Reviewed

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Eagle FSI I-Beam Connecting Rods FSI6125O20-1

Eagle FSI I-Beam Connecting Rods FSI6125O20-1

Eagle FSI I-Beam Connecting Rods FSI6125O20-1

4340 I BEAM ROD CHV LS 6125

Part Number: ESP-FSI6125O20-1

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

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