Eagle SIR I-Beam Connecting Rods

4.66 out of 5 stars 80 Customer Reviews

Why spend time and money reconditioning your stock rods—when you can upgrade to a set of Eagle SIR I-Beam connecting rods for less? They're forged from 5140 steel f

Why spend time and money reconditioning your stock rods—when you can upgrade to a set of Eagle SIR I-Beam connecting rods for less? They're forged from 5140 steel for outstanding strength and reliability, and they come in both press-fit and bushed pin models. Their lightweight design places less stress on the rest of your rotating assembly to increase engine life and better handle high-rpm use. The rods are X-rayed, sonic-tested, magnafluxed, and shot-peened to stress-relieve the metal. They come with 12-point ARP Wave-Lok rod bolts and are weight-matched to within two grams. The big end sizing is controlled by in-ho

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Eagle SIR I-Beam Connecting Rods SIR6135B

Connecting Rods, SIR 5140 I-Beam, Bushed, Chevy, Big Block, Set of 8

Part Number: ESP-6135B

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Eagle SIR I-Beam Connecting Rods SIR5700SPLW

Connecting Rods, SIR I-Beam, 5.7 in. Length, Cap Screw, Press Fit, Chevy, Small Block, Set of 8

Part Number: ESP-5700SPLW

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Eagle SIR I-Beam Connecting Rods SIR5700SBLW

Connecting Rods, SIR I-Beam, Forged 5140 Steel, 5.700 in. Length Center To Center, Chevrolet, Small Block, Set of 8

Part Number: ESP-SIR5700SBLW

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Eagle SIR I-Beam Connecting Rods SIR5400FB

Connecting Rod, SIR I-Beam, Forged 5140 Steel, Shot-Peened, 5.400 in. Length, Ford, 0.927 in. Pin, Small Block Windsor, Set of 8

Part Number: ESP-SIR5400FB

Not Yet Reviewed

Estimated Ship Date: Today

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Eagle SIR I-Beam Connecting Rods SIR6385B

Connecting Rods, SIR 5140 I-Beam, Bushed, Chevy, Big Block, Set of 8

Part Number: ESP-6385B

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Eagle SIR I-Beam Connecting Rods SIR5090FP-1

5140 STEEL I-BEAM FORD 302 5.090" PRESS

Part Number: ESP-SIR5090FP-1

Not Yet Reviewed

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Eagle SIR I-Beam Connecting Rods SIR6135B-1

5140 STEEL I-BEAM CHEV BB 6.135" BUSHED

Part Number: ESP-SIR6135B-1

Not Yet Reviewed

Estimated Ship Date: Today

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Eagle SIR I-Beam Connecting Rods SIR6385B-1

Connecting Rod, SIR I-Beam, 6.385 in. Length, Floating Pin Style, 0.990 in. Pin Bore, 2.325 in. Big End Bore, 8740 Rod Bolts, Forged 4150 Steel, Each

Part Number: ESP-SIR6385B-1

Not Yet Reviewed

Estimated Ship Date: Today

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Eagle SIR I-Beam Connecting Rods SIR5400CB-1

5140 STEEL I-BEAM FORD 302 5.400" 2.100"

Part Number: ESP-SIR5400CB-1

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Eagle SIR I-Beam Connecting Rods SIR6135P-1

5140 STEEL I-BEAM CHEV BB 6.135" PRESS

Part Number: ESP-SIR6135P-1

Not Yet Reviewed

Estimated Ship Date: Today

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Eagle SIR I-Beam Connecting Rods SIR5400FB-1

5140 STEEL I-BEAM FORD 302 5.400" 2.123"

Part Number: ESP-SIR5400FB-1

Not Yet Reviewed

Estimated Ship Date: Today

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Eagle SIR I-Beam Connecting Rods SIR5090FB-1

5140 STEEL I-BEAM FORD 302 5.090" BUSHED

Part Number: ESP-SIR5090FB-1

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Eagle SIR I-Beam Connecting Rods SIR6700B-1

5140 STEEL I-BEAM CHEV BB 6.700" BUSHED

Part Number: ESP-SIR6700B-1

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

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