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Exclusive Deal K1 Technologies Bmw 340i/440i F3x B58 Forged Connecting Rod Set Support Local [K6Q0jpVb]

$71.99 $230.99 -69%

SKU: 005EP171484K1 Technologies BMW B48 Connecting Rod Set, 148.18 mm Length, 22.00 mm Pin, 53.60 mm Journal, 3/8 in. ARP 2000 Bolts, Forged 4340 Steel, H-Beam, Set of 4.K1 Technologies connecting rods are manufactured with optimized strength and wei

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Exclusive Deal K1 Technologies Bmw 340i/440i F3x B58 Forged Connecting Rod Set Support Local [K6Q0jpVb]

SKU: 005EP171484

K1 Technologies BMW B48 Connecting Rod Set, 148.18 mm Length, 22.00 mm Pin, 53.60 mm Journal, 3/8 in. ARP 2000 Bolts, Forged 4340 Steel, H-Beam, Set of 4.

K1 Technologies connecting rods are manufactured with optimized strength and weight characteristics in mind to deliver reliable performance. Forged from 4340 steel, K1 rods featured a shot-peened surface finish which smooths surface blends and reduces potential stress profiles. K1 connecting rods are held to strict quality standards and undergo magnetic particle testing to ensure material properties are free of flaws. Each rod is also subject to bore tolerance compliance, holding them to +/- .0001” after finishing. Additionally, K1 rods are balanced and tested to be within +/- 1 gram per end. A dual-ribbing design on the rod caps of K1 connecting rods helps maximize strength and allows the rod big end to maintain roundness as engine RPMs increase. Full-floating, precision-honed bronze bushings are fixed into the small ends of the rods for low friction and high wear resistance. Fitted with ARP 2000 rod bolts rated at 200,000 psi tensile strength for most applications, K1 connecting rods deliver an industry-leading combination of strength and value.

4340 Forged Steel for strength, toughness, and resistance to impact ~ High quality ARP 2000 fasteners included ~ All rods are finished in the USA and held to very tight tolerences Bores finished to +/- .0001 in. and weight to +/- 1 gram per end ~ Shot peened for improved fatigue life ~ Premium bronze wrist pin bushings ~ Designed by in-house engineering team for high-stress racing applications

Bolt Part Number

BT61601-S

Bolt Diameter

3/8 IN

Center To Center Length

148.18 MM

Connecting Rod Finish

Shot-peened

Lightened

No

Main Bearing Bore Diameter

53.60 MM

Main Bearing Width

23.90 MM

Material

Forged 4340 Steel

Mounting Hardware Included

Yes

Pin End Bore

22.00 MM

Rod Quantity

4

Rod Type

H-Beam

Weight Matched Set

Yes

Wrist Pin Journal Bushing Width

20.90 MM

What Our Customers Say

January 23, 2026

Absolutely no complaints!

This is a clever and handy gadget.

- Harri H..

January 23, 2026

Absolutely no complaints!

It works like a charm, every time.

- Zebediah W..

January 23, 2026

Absolutely no complaints!

This is a very well-built, solid tool.

- Ula B..

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