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🔧 Lock in power with ARP — where precision meets performance!
The ARP 234-2503 Balancer Bolt Kit is a vehicle-specific, M6-sized, fully threaded chromoly steel fastener designed to securely lock your engine balancer in place. Finished in matte black for corrosion resistance, this Grade 2 hardware kit is trusted by professionals and boasts a 4.9-star rating, ensuring reliable durability and precision fit for GM LS1/LS6 5.7L/6.0L engines.

| ASIN | B001D0MJNC |
| Best Sellers Rank | #118,678 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Performance Engine Main Bolts & Studs #25 in Automotive Replacement Engine Main Bolts & Studs |
| Brand | ARP |
| Color | Black |
| Compatible Groove Diameter | 6.2 Millimeters |
| Customer Reviews | 4.9 4.9 out of 5 stars (610) |
| Drive System | Rear-Wheel Drive |
| Exterior Finish | Painted |
| Fastener Size | M6 |
| Fastener Type | Stud Bolt |
| Finish Types | matte |
| Global Trade Identification Number | 00672036030315 |
| Grade Rating | Grade 2 |
| Head Type | Hex |
| Included Components | Hardware Kits - Other |
| Item Diameter | 6 Millimeters |
| Item Dimensions | 10 x 6 x 1.75 inches |
| Item Hardness | Grade 2 |
| Item Type Name | Hardware Kits - Other |
| Item Weight | 16 ounces |
| Manufacturer | ARP |
| Manufacturer Grade | Grade 2 |
| Material Type | Metal |
| Metal Type | Chromoly Steel |
| Model | 2342503 |
| Number of Pieces | 1 |
| Part Number | 2342503 |
| Screw Head Style | Hex |
| Set Name | Kit |
| Size Name | Stock |
| Thread Class | 3A |
| Thread Coverage | Fully Threaded |
| Thread Size | M6 |
| Thread Style | Right Hand, M6, Full |
| Thread Type | Unc |
| UPC | 672036030315 |
| Unit Count | 1.0 Count |
| Warranty Description | Manufacturer warranty |
C**R
Great bolt for balancer on my 06 corvette
Great bolt, much better than stock
X**O
Simple the best
ARP is top shelf high grade bolts, nuts, and others high strength easterners. Their USA history is second to none. The 12 point socket fit perfect. I will never use cheap parts for items like crankcase bolts. I chased the threads to ease the installation. I used a balance beam torque wrench snug this bolt on a 2000 silverado 2500 4WD. The truck runs fine. I replaced the oil pump, hoses, water pump, front crank seal, oil pressure screen, oil pan gasket, oil pump p/u tube and added a new coolant thermostat. All this was just part of regular maintenance in light of any the oil pan gasket needing to be replaced. I had nothing better to do so I replaced a bunch of other parts.The truck will probably reach 300K miles shortly then it will time for a new vehicle. I will be sad to see my Bessy go away when she hits 300k.
G**N
Fit 98 Ls1
Comes with grease for the bolts and all the washers are included. Good product as far as I can tell. Rather these then stock TTy bolts.
C**B
This is a must have!
Used this on my 2006 Silverado, it is reusable unlock the oem crank bolts. Don’t risk breaking the oem one and just get one of these.
P**L
It’s a definite “””MUST HAVE”””
Absolutely outstanding I cannot stress enough how it is imperative to only use ARP bolts for everything you can they are gonna last Forever….PERIOD!!! BTW you will need to have or purchase a 27mm 12 point 1/2 inch socket I purchased mine at Oreillys it was like $10 bucks but good quality.
P**.
Perfect bolt
ARP is the best especially if you will reuse it
G**N
WORKED PERFECTLY for my 2005 Chevy Avalanche Z71 4x4 LTZ Flex Fuel Truck
This stud kit worked perfectly for my 2005 Chevy Avalanche Z71 4x4 LTZ Flex Fuel Truck. I was taking off everything so that I can do an oil pump change on my truck because it had a ticking under the hood that everyone told me was a lifter knock. I wanted to try this and a trunion and push rod upgrade first to see if it would fix the problem. Keep in mind that I decided against changing the lifter and camshaft after checking for metal shavings in my oil pan and once I removed the oil pan and the plate inside the oil pan, I could see the camshaft. I turned it manually and could see that the whole thing was smooth and glassy, so I knew that there was nothing wrong in that area. Plus, there were no metal shavings in my oil pan. I changed the oil pump and this stopped the ticking under my truck (5.3L). I did the trunion upgrade because I heard that after 150,000 miles, these cheap what I call half moon trunions that chevy puts in their LS's tend to wear out and break and end up in the engine, which can do damage inside. I definitely didn't want that, so I changed the trunions to what I call full moon trunions and put a slightly bigger rod in for good measure. My truck is running beautifully. Anyway, this stud kit worked wonderfully.
K**N
Fine piece of bolt
Didnt really want to buy but went to put a new normal torque ro yield bolt in and it would have been like 350ftlbs. Was just stupid and I was afraid of breaking something. So tosses it aside and got this bolt that was perfect. Make sure you have the socket which I did. Advice is use arp for the LS head bolts as well. Tried to use standards and they were bent and junk. Arp tried and true great stuff.
M**.
Used for balancer install on 2000 Corvette, no issues.
T**S
Great bolt to buy for a LS rebuild since it’s reusable unlike factory bolt
S**A
Great bolt works with Ls1/ls6
J**N
Exactly as advertised. Shipping was quick
L**7
Great product and price, fast shipping.
Trustpilot
2 weeks ago
2 weeks ago