ARP Bolts Head Stud Kit for BMW E30 M20 2.5L 6cyl 1987-1991, 12-Point, Chromoly

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Model#201-4305
ManufacturerARP Bolts

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ARP 201-4305 Studs: Precision Fasteners for Your BMW

If you're looking to enhance the reliability and performance of your BMW 325i, 325is, or 325iX from 1987 to 1991, the ARP 201-4305 Studs are the upgrade you need. Designed specifically for these models, these fasteners are built from high-quality 8740 chromoly steel, ensuring they can withstand the rigors of both daily driving and spirited track sessions.

Key Features

Fastener Style: Stud
Undercut Stud: Yes
Head Style: 12-point
Fastener Material: 8740 chromoly
Fastener Finish: Black oxide
Washers Included: Yes
Cut to Fit: No

Fitment

The ARP 201-4305 studs are compatible with the following BMW models:

BMW 325i (1987-1991)
BMW 325is (1987-1991)
BMW 325iX (1988-1991)

Why Choose ARP 201-4305?

When it comes to securing critical components like cylinder heads, the ARP 201-4305 studs provide the peace of mind that your engine is held together with the best. The 12-point head allows for easy installation and removal, while the black oxide finish not only looks great but also offers additional corrosion resistance. Plus, the included washers ensure a proper seal and load distribution, minimizing the risk of head gasket failure.

Customer Feedback

BMW 325i owners have reported significant improvements in engine stability after installing these studs. One user shared, "After putting these ARP studs on my 1989 325i, I noticed a marked difference in how my engine holds its tune, even under high revs. They fit perfectly, and I feel more confident pushing my car to its limits." Another owner of a 325is noted, "These studs are a must-have for anyone looking to get serious about performance. Installation was straightforward, and they look fantastic!"

Upgrade your BMW with the ARP 201-4305 studs and experience the difference in performance and reliability. Whether you're hitting the track or just cruising around town, these fasteners are a smart choice for any BMW owner.

Other Part Numbers:
ARP Bolts #arp201-4305

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Make Vehicle	Model	Year
1987-1991 BMW 325i	325i	1987-1991
1988-1991 BMW 325iX	325iX	1988-1991
1987-1991 BMW 325is	325is	1987-1991

The Story Behind ARP Bolts

ARP (Automotive Racing Products) was founded by Gary Holzapfel in 1968 when he noticed his drag-racing friends succumbing to bolt-induced engine failure as a result of poor-quality fasteners. He drew upon his expertise in the aerospace industry to develop a solution, which turned into a successful business nonetheless.

Since its inception, ARP has been engineering and perfecting a wide range of bolts, studs, nuts, and other fasteners for engines, cylinder heads, headers, wheels, and transmissions. Today, ARP remains the undisputed world leader in automotive fasteners. Racing aficionados everywhere know and recognize the ARP brand and can vouch for its quality.

What Makes ARP Bolts So Special?

Located in Ventura, California, all ARP processes from raw wire to finished fasteners are conducted in-house, right here in the USA. The company continually improves its processes with strict quality control guidelines and is dedicated to producing products that are second to none. Simply put, ARP Bolts are better than the competition because of their quality materials and advanced processes.

ARP prides itself on using only top-quality materials that are above the usual “aerospace-grade” quality that other manufacturers settle for. For example, while 8740 Chromoly steel has four different grades, ARP only uses the top two, SDF and CHQ. These grades cost twice as much as the lower commercial and aircraft grades, but deliver “zero defect” quality that you can trust each and every time.

ARP Bolts are built to withstand serious racing, possess greater tensile strengths, and can survive higher stress levels than most aircraft fasteners. ARP is dedicated to creating fasteners that boast ultimate strength and durability to ensure they last race after race. Its product lineup ranges from quality high-performance OEM parts to exotic specialty hardware for IndyCar, NASCAR, NHRA drag racing, Formula 1, and even marine applications.

Equip Your Ride with ARP Bolts at Vivid Racing

If you are looking to change the fasteners on your car, you’ve come to the right place. No other brand beats out ARP Bolts in terms of strength, quality, and race-proven success. Vivid Racing is, therefore, proud to carry an extensive lineup of products from American Racing Products like bolts, fluids, sealants, hand tools, stud kits, piston sleeves, wheel bolts, and more! If you have any questions regarding the parts above, please call our specialized sales team at (480) 966-3040.