Street. Track. Everything between.
07 3276 7829
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Arp

Arp

ARP GM LS1/LS6 5.7L/6.0L Balancer Bolt Kit

SKU: ARP234-2503

Harmonic Balancer Bolts

ARP Balancer Bolt Kits...

Arp

Arp

ARP GM LS1/LS6 5.7L/6.0L Balancer Bolt Kit

SKU: ARP234-2503

Harmonic Balancer Bolts

ARP Balancer Bolt Kits...

A$121.67
IN STOCK! Est Ship 4-7 days. In stock at 2 locations (more than 10 available)

Added to cart

We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

Harmonic Balancer Bolt - 16 mm x 2.00 Thread - 4.325 in Long - 1-1/16 in 12 Point Head - Washer Included - Chromoly - Black Oxide - Except GM LS7 - GM LS-Series - Each

ARP GM LS1/LS6 5.7L/6.0L Balancer Bolt Kit

Product Overview

As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 psi bolts that let you exert maximum clamping force. Special features include 1/4? thick, wide area washer and an extra tall 12-point head that accepts a deep socket and eliminates the worry of stripping the head.

*Square Drive Balancer Bolts*
ARP offers a special version of its rugged 200,000 psi rated balancer bolt that can accept a standard 1/2˝ drive ratchet or breaker bar to facilitate rotating
the crank assembly.
• 1/2˝ square drive forged into bolt head, enabling the rotation
of an engine with any 1/2˝ drive tool
• Made from heat-treated 8740 chrome moly steel with heavyduty
black oxide finish


Data: v2 - Desc: v4.2 - Upd: 2026-11-07 16:24:17

Data: v4.2 - Upd: 2026-11-08 17:35:34

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:Harmonic Balancer Bolt Kit; 12Point Head
Diameter:M16 x 2.0
Part Number:arp234-2503
Socket:1-1/16
UHL:4.325

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Arp, Arp Fasteners
StreetFX SKU arp234-2503
SFX Item ID 4364720
Accounting SKU arp-234-2503
Manufacturer SKU 234-2503
Manufacturer UPC 672036030315
Alternative References 234-2503, ARP-234-2503

Harmonic Balancer Bolt, Chromoly, Black Oxide, 12-Point, LS Gen. III/IV, Chevrolet, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, Each

As the crankshaft flexes, the balancer absorbs incredible amounts of energy. ARP balancer bolt kits will ensure that your balancer is locked into position. They feature a 12-point head that accepts a deep socket to eliminate the fear of stripping the head.

Product Attributes
BrandARP
Manufacturer's Part Number234-2503
Part TypeHarmonic Balancer Bolts
Product LineARP Balancer Bolts
UPC672036030315
Thread SizeM16 x 2.0
Underhead Length (in.)4.325 in.
Head Style12-point
Washer IncludedYes
Fastener Tensile Strength (psi)200,000 psi
Fastener Material8740 chromoly
Fastener ColorBlack
QuantitySold individually.

Compatibility

Loading compatibility information...

Keep shopping

More from Arp