- Manufactured By ARP
The Edelbrock #8581 Head Bolt Kit offers a complete set of high-quality head bolts and hardened washers designed specifically for 1958-1965 Chevrolet Big-Block 348/409 engines equipped with Edelbrock Performer RPM cylinder heads. Manufactured by ARP, each bolt is cold-formed to ensure molecular integrity and heat-treated prior to thread rolling and machining, providing superior strength and durability. The reduced diameter bolt heads allow for easier cylinder head re-torqueing without the need to remove valve train components, simplifying maintenance and ensuring proper head clamping force.
Hardened and parallel-ground washers are included in the kit, rated at 170,000 psi, ensuring a secure and reliable fastening system. This kit contains all necessary bolts and washers to properly assemble a pair of cylinder heads on compatible engines, making it a comprehensive solution for engine builders and performance enthusiasts. The head bolt kit is suitable for various 1960-1965 Chevrolet models, including Impala, Bel Air, Biscayne, Brookwood, El Camino, and Chevrolet trucks, providing an OEM-quality fit and finish.
Designed to meet or exceed OEM standards, this Edelbrock part ensures a precise fit and long-lasting performance under high-stress conditions. Proper head bolt torque is critical for maintaining cylinder head sealing, preventing leaks, and ensuring optimal engine performance. The kit’s compatibility with Performer RPM cylinder heads makes it ideal for performance upgrades and rebuilds aimed at maximizing horsepower and engine longevity. Trust Edelbrock’s engineering and ARP’s manufacturing expertise to deliver a reliable, high-performance head bolt solution for your classic Chevrolet V8 engine.
Features:
- Complete set of high-quality head bolts and hardened washers
- Manufactured by ARP for superior strength and reliability
- Cold-formed and heat-treated to ensure molecular integrity
- Reduced diameter bolt heads allow for easier re-torqueing
- Rated at 170,000 psi for high-performance durability
- Includes hardened, parallel-ground washers for secure fastening
- Designed specifically for 1958-1965 Chevrolet Big-Block 348/409 engines with Edelbrock Performer RPM cylinder heads
- Compatible with various Chevrolet models including Impala, Bel Air, Biscayne, and El Camino
- air_freight_prohibited:
- false
- not_carb_approved:
- false
- ltl_freight_required:
- false
- prop_65:
- Y
- part_type:
- automotive
- epa:
- N/A
- carb_acknowledgement_required:
- false
- regular_stock:
- false
- units_per_sku:
- 1
