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SKU: 615-1750 | UPC: 672036030650
ARP 3/8 in.-16 RH Thread, 1.750 in 12 Point SS 300 Bolts for 1955-1998 Chevrolet Small Block V8 - Set of 5
ARP 615-1750 main cap bolts fit 1955-1998 Chevrolet Small Block V8 engines including 262 to 400 CID blocks. These 12-point head fasteners from 300 series stainless steel hold main caps with dependable clamp load under high stress. Ideal for engine rebuilds in street cars muscle cars and race motors.
Key Features
- ARP 300 SS Construction: Resists corrosion and provides high tensile strength for repeated heat cycles
- 12-Point Head Design: Allows high torque application without cam-out or stripping sockets
- Precision-Rolled Threads: Ensures maximum thread engagement and consistent torque values every time
- Application-Specific Sizing: 3/8-16 RH thread x 1.750 in. length matches SBC main cap holes perfectly
- Matched Set of 5: Supplies exact quantity needed for multiple main caps with no leftovers
Product Notes
- Inspect engine block threads for damage before installation
- Apply ARP Ultra-Torque lubricant to threads and under heads
- Packaged for protection during shipping and storage
Installation Notes
- Professional installation recommended.
- Torque in ARP-recommended sequence starting from center mains outward
- Compatible with factory SBC main caps and ARP stud kits
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-1998 | Chevrolet | Small Block V8 | 262-400 CID |
| 1967-1981 | Chevrolet | Camaro | All SBC V8 |
| 1964-1982 | Chevrolet | Chevelle | All SBC V8 |
| 1955-1998 | Chevrolet | Corvette | C1-C5 SBC V8 |
| 1960-1987 | Chevrolet | C/K Pickup | All SBC V8 |
Why Choose ARP?
- Decades of use in NHRA Pro Stock and Top Fuel engines
- 300 series stainless withstands extreme loads and environments
- Every bolt machined to exact tolerances for zero failures
Frequently Asked Questions
-
Q: Do these fit a 1969 Chevy 350 Small Block?
A: Yes ARP 615-1750 bolts fit all 1955-1998 Chevrolet Small Block V8 engines from 262 to 400 cubic inches including popular 350 CID blocks. -
Q: What material are the bolts?
A: Constructed from 300 series stainless steel for galling resistance strength and longevity in oily high-heat engine bays. -
Q: What torque specs should I use?
A: Follow ARP guidelines use Ultra-Torque lube and recheck after 100 miles or initial heat cycles.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective plastic sleeve in cardboard box 7 x 5 x 1 inches
- Weight: 0.2 lbs
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