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Big Block Ford - 429 & 460

"SIR" I-Beam Rods “SIR” connecting rods are forged form 5140 steel and utilize ARP 7/16” capscrew-style bolts with alignment sleeves for easier assembly. Packaged in weight-matched sets (+/- 2g). Sizing is performed by in-house CNC equipment. “SIR” rods are the perfect choice for engines up to 700 HP.

Part # Length Notes Price SIR6605FP 6.605" press fit $275 SIR6605FB 6.605" bushed $295

ESP" H-Beam Rods “ESP” connecting rods are forged from 4340 steel and utilize 7/16”ARP 8740 capscrew-style bolts with alignment sleeves for a perfect fit. Packaged in weight-matched sets (+/- 1g). Sizing is done on the state of the art Sunnen KrossgrindingTM system. “ESP” connecting rods are the perfect choice for engines up to 750 HP.

Part # Length Notes Price w/ARP 2000 Bolts w/ARP L19 Bolts CRS6605F3D 6.605" stock 429/460 length $589 $699 $699 CRS6605F990 6.605" .990 piston pin $589 - - CRS67003D 6.700" 2.200" rod journal, .990 piston pin $379 $465 $465 CRS68003D 6.800" 2.200" rod journal, .990" piston pin  $375 $465 $465

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