Eagle SIR Rods

Eagle SIR6135B connecting rods.

This SIR I-beam connecting rod set is rated for up to 700 horsepower.

The perfect choice for Street/Pro-Street, and classes requiring a "stock appearing rod".

An economicaly priced alternative to the time and expense involved in reworking OE connecting rods.

Eagle SIR connecting rods offer up to 50% increase in strength over the stock rods.

Critical big end sizing is controlled using in-house CNC equipment.

Common applications include:

Chevrolet 396, 402, 427 Big Block 2-piece rear seal.

Chevrolet Big Block 1-piece rear seal.

Chevrolet 502 big block 2-piece rear seal.

Chevrolet 502 big block 1-piece rear seal.

Length: 6.135 in. (stock length)

Rod journal: 2.200 in.

Housing bore: 2.3250 in.

Pin size: 0.990 in.

Bushed fit pins.

Big end width: 0.9900 in.

Pin end width: 1.1250 in.

Thickness above pin: 0.210 in.

Typical weight: 830g

Fasteners: 7/16" ARP 8740

Torque: 63 ftlbs with ARP moly lube on threads.

SIR connecting rods are forged from 5140 steel.

ARP 7/16" capscrew style bolts are used.

All rods are weight matched in sets +/-2g.

Sold as a set of 8 connecting rods.

Eagle SIR6135B I-beam connecting rods EAGLE-SIR6135B$349.97

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