ARP 201-4605 Cylinder Head Stud Kit for 1988-1991 BMW M3 2.3L S14

Vehicle Fitment

• 1988-1991 BMW M3 (E30) (Base, 2.3L S14 4-cylinder)

Features

• Designed for BMW 2.3L S14 4-cylinder engines
• Enhances cylinder head clamping force for high-performance applications
• Constructed from premium-grade 8740 alloy steel
• Heat-treated to 200,000 psi for superior strength
• Centerless-ground for precise alignment and concentricity
• Thread-rolled after heat treatment for improved fatigue resistance
• Includes 12-point nuts for secure fastening
• Black oxide finish for corrosion resistance

Specifications

• Socket Size: 16mm 12-point, 5mm Allen
• Material: 8740 alloy steel
• Finish: Black oxide
• Heat Treatment: 200,000 psi
• Thread Rolling: Post-heat treatment

Included Components

• 1x Cylinder Head Stud Kit
• 12x 12-point nuts
• 1x ARP logo sticker

Product Description

The ARP 201-4605 Cylinder Head Stud Kit is engineered for the BMW 2.3L S14 4-cylinder engine, specifically the 1988-1991 BMW M3 (E30). This kit enhances engine performance by providing superior clamping force, ensuring the cylinder head remains securely fastened under high-stress conditions.

Constructed from premium-grade 8740 alloy steel and heat-treated to 200,000 psi, these studs offer exceptional strength and durability. The centerless grinding process ensures precise alignment, while the post-heat treatment thread rolling enhances fatigue resistance. The black oxide finish provides additional corrosion protection, extending the lifespan of the components.

Ideal for both street and track applications, the ARP 201-4605 kit is a reliable choice for enthusiasts seeking to maximize engine performance and reliability. The included 12-point nuts allow for secure and precise fastening, making installation straightforward.