ARP 135-2503 is a BB Chevy square drive balancer bolt kit.
- Brand: ARP
- Category: Engine Components
- Product Type: Square Drive Balancer
- Part Number: 135-2503
Fastener Specification
- Length: 1.55 in
- Thread: 1/2-20 in
- Head Style: Hex
- Head Size: 1-1/8 in
- Washers Included: Yes
- Washer Quantity: 1
- Material: Chromoly
- Finish: Oxide
Engine Compatibility
- Chev Big Block 396
- Chev Big Block 402
- Chev Big Block 409
- Chev Big Block 427
- Chev Big Block 454
- Chev Big Block 496
- Chev Big Block 572
- Chev Big Block Generic
Show 2 more compatible fitments
- Chev Generic Big Block
- Chev Big Block 502
Product Specifications
- Manufactures Part Number: 135-2503
- Drive Style: Square
- Drive Size: 1/2 in
- Lubricant Included: Yes
- Color: Black
- Quantity: Each