ARP Big Block Chevy Late Bowtie, Dart Mrln 12pt Exhaust BOLTS ONLY
ARP
ARP Big Block Chevy Late Bowtie / Dart Merlin 12-Point Exhaust Head Bolts Only
Upgrade the cylinder head hardware on your Big Block Chevrolet engine with compatible Late Bowtie, Dart or Merlin-style components with the ARP 12-Point Exhaust Head Bolt Set. This application-specific set contains the exhaust-side cylinder head bolts only and is intended for use where the specific Big Block Chevy cylinder head configuration requires these fasteners.
ARP part number 235-3708 is officially identified as the Big Block Chevy Late Bowtie, Dart Merlin 12-Point Exhaust Bolts Only. ARP categorizes the kit under Cylinder Head - Head. The installation instructions identify these as Pro Series 200,000 PSI, 7/16" diameter head bolts and specify a final torque of 80 ft-lbs when using ARP Ultra-Torque Fastener Assembly Lubricant.
Product Features:
- ARP Pro Series Cylinder Head Fasteners
- Designed for Big Block Chevrolet Applications
- Designed for Late Bowtie / Dart Merlin Applications
- Exhaust-Side Head Bolts Only
- 12-Point Fastener Head Design
- 7/16" Diameter Head Bolts
- 200,000 PSI Fastener Rating
- High-Strength ARP Fastener Construction
- Designed for Cylinder Head Retention
- Application-Specific Replacement / Supplemental Fastener Set
Specifications:
| Manufacturer | ARP (Automotive Racing Products) |
| Part Number | 235-3708 |
| Product Type | Cylinder Head Bolt Set |
| Fastener Type | Bolt |
| Head Style | 12-Point |
| Fastener Diameter | 7/16" |
| Fastener Rating | 200,000 PSI |
| Configuration | Exhaust Bolts Only |
| Recommended Torque | 80 ft-lbs with ARP Ultra-Torque |
| Engine Family | Chevrolet Big Block |
| Fastener Location | Cylinder Head |
ARP Engine Applications:
- Chevrolet - Big Block - Dart
- Chevrolet - Big Block - Generic
- Dart - Big Block - Dart
- Dart - Big Block - World
- Dart - Generic - Big Block
Fitment Notes:
- Designed for Big Block Chevrolet Late Bowtie / Dart Merlin-style cylinder head applications.
- ARP officially lists Chevrolet Big Block Dart and generic Big Block Chevrolet applications.
- ARP also lists Dart Big Block Dart, Dart Big Block World and Dart Generic Big Block applications.
- This set contains the exhaust-side head bolts only and is not a complete cylinder head bolt kit.
- Uses 7/16" diameter Pro Series head bolts rated at 200,000 PSI.
- Features 12-point fastener heads.
- ARP specifies using thread sealer if the cylinder head bolts enter a water jacket.
- ARP specifies a final torque of 80 ft-lbs with ARP Ultra-Torque, reached in three equal steps following the manufacturer's recommended torque sequence.
- Verify the exact block and cylinder head configuration before installation.