12577583 Floating Pin Connecting Rod 8Pcs for GM 5.3L 6.0L 6.2L LS2 LS3 Gen IV

Product Overview

This aftermarket replacement set of eight floating pin connecting rods is supplied for GM 5.3L, 6.0L, and 6.2L LS2 and LS3 Gen IV engine applications and cross-references part number 12577583. A connecting rod links the piston to the crankshaft so the reciprocating motion of the piston is converted into rotation. These rods are intended for the engine applications listed above and use the floating pin design described in the title.

Key Features & Performance

• Connecting rods transfer force from the piston to the crankshaft within an internal combustion engine
• Floating pin design allows the piston pin to rotate within both the rod and the piston bore
• Cross-references part number 12577583
• Sold as a set of eight rods for the listed GM 5.3L, 6.0L, and 6.2L LS2 and LS3 Gen IV engine applications
• Used when servicing or replacing worn or damaged connecting rods in the corresponding engine assembly

Fitment & Compatibility

• for GM 5.3L LS Gen IV engine applications
• for GM 6.0L LS Gen IV engine applications
• for GM 6.2L LS Gen IV engine applications
• for GM LS2 Gen IV engine applications
• for GM LS3 Gen IV engine applications

Common Uses

• Replacing worn or damaged connecting rods during engine service
• Engine rebuild or refresh projects for the listed GM LS Gen IV applications
• Restoring the normal function of the piston and crankshaft assembly after rod failure

Technical Specifications

• Product Type: Floating pin connecting rod set
• Part Number(s): 12577583
• Quantity: 8 pieces
• Engine Application(s): GM 5.3L, 6.0L, and 6.2L LS2 and LS3 Gen IV engines
• General Application: GM LS Gen IV engine applications

Frequently Asked Questions

Q: What does a connecting rod do in an engine? A: A connecting rod links the piston to the crankshaft and transfers force as the piston moves up and down, converting that motion into rotation of the crankshaft.

Q: How should fitment be verified? A: Compare the complete existing part number and the complete engine model designation against the part number 12577583 and the GM LS2 or LS3 Gen IV application listed here before ordering.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.