BoostLine 6.125in Connecting Rod Set for GM LS/LT, ARP L19 - LS6125-927L19

BoostLine LS6125-927L19 is a set of 8 connecting rods for GM LS/LT applications. Manufacturer data specifies a 6.125 in center-to-center length, 0.927 in wrist pin diameter, 2.100 in crank journal diameter. This configuration uses ARP L19 rod bolts in a 7/16 x 1.450 in size. BoostLine standard-series rods use forged 4340 steel and the brand’s patented three-pocket design for demanding performance engine combinations. Listed weight with bolts is 692 g.

Key Features & Specs:

• Brand: BoostLine
• Series: BoostLine
• Product Type: Connecting Rod Set
• Engine Application: GM LS/LT
• Quantity: 8
• Material: Forged 4340 steel
• Center-to-Center Length: 6.125 in
• Wrist Pin Diameter: 0.927 in
• Crank Journal Diameter: 2.100 in
• Big End Bore: 2.2250 in
• Big End Width: 0.9402 in
• Small End Width: 1.0100 in
• Rod Bolt Material: ARP L19
• Rod Bolt Size: 7/16 x 1.450 in
• Rod Bolt Part Number: BT71401-L19
• Weight With Bolts: 692 g
• Manufacturer Part Number: LS6125-927L19
• UPC: 193564568274

Fitment:

• GM LS/LT engine applications

Series Description: BoostLine connecting rods are forged from 4340 steel and use the brand’s patented three-pocket beam design, developed to support high cylinder-pressure performance applications while controlling rotating mass. The standard BoostLine series is positioned for demanding forced-induction, nitrous, street-performance, and racing combinations. Application-specific ARP fasteners and dimensional CMM inspection are part of the product program; exact dimensions and bolt grade vary by part number.