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Hot Rods Precision Crafted High Performance Connector Rod Kit 8603

5.0(2 reviews)Listed since Mar 2026
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$107.13

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Shipping, delivery & returns

Free shipping · USPS (Standard Shipping)

📦 Est. delivery Jun 26, 2026Jun 29, 2026

Ships from Hilliard, Ohio, US

🌍 Ships worldwide

↩️ Returns accepted · 30 calendar day · seller pays return shipping

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shopmotomentum

99.7% positive · 534,868 feedback

About this item

High-tech crank and wrist bearings. AISI carburized crank pin. Silver-coated crank pin bearing. Forged from 8620 AISI steel, hardness-tested to insure strength and durability. Forged rod manufactured with copper-coated surfaces to protect the rod beam becoming brittle during the case-hardening process.

Specifications

Material8620 Steel
Product NameConnecting Rod Kit
Product TypeEngine
Prop65See Item Description
UnitsKit
Part TypeOther
Alt MPN 1162324
Alt MPN 2421-8603
Show 14 more specs
Alt MPN 3870009
Alt MPN 4CR184
Alt MPN 5hds8603
Category 1Cams / Cranks / Rods
Ride Type 1ATV/UTV - ATV / ATC
Average Delivery Time4-5 Days
Package Weight0.4500
Package Length6.60
Package Width2.30
Package Height1.20
Freee Shipping (Lower 48)Yes
Warranty90 Days
BrandHot Rods
Manufacturer Part Number8603

Item description from seller

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• MOTOMENTUM

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Hot Rods Precision Crafted High Performance Connector Rod Kit 8603

Description

Affordable premium quality replacement connecting rods. High-tech crank and wrist bearings. AISI carburized crank pin. Silver-coated crank pin bearing. A. E. recommended phosphor bronze thrust washers. Forged from 8620 AISI steel, hardness-tested to insure strength and durability. Forged rod manufactured with copper-coated surfaces to protect the rod beam becoming brittle during the case-hardening process. Made in USA.

• Heavy-duty OE replacement connecting rods

• Certified 8620 AISI steel provides superior strength

• Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc

• Feature the latest in caged needle roller bearing designs for high rpm longevity

• Uniquely designed big end uses strategically located side scalloping and vent slots to minimize bearing race distortion at high rpm

• Small ends are double drilled to supply extra lubrication and cooling to the wrist pin bearing, which is especially important when the piston crown is close to the wrist pin bearing

• Shot-peened to eliminate surface stress risers and to smoothly blend together the rod forging's radiuses

• Double honing produces an ultra-round bearing surface for reliability at high rpm

• Most rod assemblies are sold complete with rod, crank pin, crank pin bearing, top-end bearing and silver-coated bronze phosphor thrust washers

• Compatible with Hot Rods and OE crankshafts

• Made in U.S.A.; connecting rod manufactured at Hot Rods Iowa facility

Item Specifics

ALT MPN 1 162324 ALT MPN 2 421-8603 ALT MPN 3 870009 ALT MPN 4 Cr184 ALT MPN 5 Hds8603 AVERAGE DELIVERY TIME 4-5 Days BRAND Hot Rods CATEGORY 1 Cams / Cranks / Rods FREEE SHIPPING (LOWER 48) Yes MANUFACTURER PART NUMBER 8603 MATERIAL 8620 Steel PACKAGE HEIGHT 1.20 PACKAGE LENGTH 6.60 PACKAGE WEIGHT 0.4500 PACKAGE WIDTH 2.30 PART TYPE Other PRODUCT NAME Connecting Rod Kit PRODUCT TYPE Engine PROP65 See Item Description RIDE TYPE 1 ATV/UTV - ATV / Atc UNITS Kit WARRANTY 90 Days

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Before purchasing this item, please make sure that you have reviewed and understand our POLICIES and SHIPPING INFORMATION.

PROP 65. Warning for California residents.

WARNING:

This product may contain chemicals known to the State of California to cause cancer, birth defects, or reproductive harm.

CONTAINS: PROP 65

See www.P65Warnings.ca.gov

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All rights reserved

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