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Crankshaft Options



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SIR-6385B #1

6.385" 5140 Steel I-Beam, 7/16" Arp 8740 Bolts

Forged 5140 Steel I-Beam Connecting Rods Are An Upgrade From O.e. Rods And Feature A shot-peened Surface. Sizing Is...
"SIR" FORGED 5140 STEEL I-BEAM RODS  |  Part# SIR-6385B   More Details...

$409.99


SIR-6385B2000 #1

6.385" 5140 Steel I-Beam, 7/16" Arp 2000 Bolts

Forged 5140 Steel I-Beam Connecting Rods Are An Upgrade From O.e. Rods And Feature A shot-peened Surface. Sizing Is...
"SIR" FORGED 5140 STEEL I-BEAM RODS  |  Part# SIR-6385B2000   More Details...

$485.99