BoostLine 5.090in Connecting Rod for Subaru FA20/FA20DIT, ARP 2000 - SB5090-866S

BoostLine SB5090-866S is a single connecting rod for Subaru FA20/FA20DIT applications. Manufacturer data specifies a 5.090 in center-to-center length, 0.866 in wrist pin diameter, 50 mm crank journal diameter. This configuration uses ARP 2000 rod bolts in a 3/8 x 1.600 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 612 g.

Key Features & Specs:

• Brand: BoostLine
• Series: BoostLine
• Product Type: Connecting Rod
• Engine Application: Subaru FA20/FA20DIT
• Quantity: 1
• Material: Forged 4340 steel
• Center-to-Center Length: 5.090 in
• Wrist Pin Diameter: 0.866 in
• Crank Journal Diameter: 50 mm
• Big End Bore: 2.0871 in
• Big End Width: 0.8429 in
• Small End Width: 0.843 in
• Rod Bolt Material: ARP 2000
• Rod Bolt Size: 3/8 x 1.600 in
• Rod Bolt Part Number: BT61601-S
• Weight With Bolts: 612 g
• Manufacturer Part Number: SB5090-866S
• UPC: 00193564266200

Fitment:

• Subaru FA20/FA20DIT 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.