Put Formula-1 based engineering in your M50, M52, S50 (US), or S52 (US) powered BMW!
This kit has been expertly designed with the aid of a Formula-1 engineer and crafted from the finest materials and manufacturing techniques. Our Spring Kits are guaranteed to out perform the competition.
VAC Steel Alloy retainers work perfect wether competitively racing or daily driving. They offer excellent weight reduction Vs. stock retainers, and are extremely strong, making this as primary choice for a street car overhaul. These kits have worked flawlessly with every camshaft we have ever installed, including those from Schrick, VAC, Sunbelt, Cat, and others. From the reliable and winning results of thousands of our spring assembles, we can say confidently this represents the best set available for your BMW at any price.
VAC Tech Info:
Please note that because we engineered this set from a clean design; springs retainers and seats are all sold together as the superior dual spring arrangement must be used with the correct retainers and seats together and are not compatible with OEM seats/retainers, therefore springs are not available separately other than for replacements.
This kit features:
- 24 VAC dual-interference spring rated for 12,000 RPM for that added piece of mind (Racing, Over-rev/Mis-shift, etc)
- 24 VAC Hardened Steel Alloy Valve Retainers
- 24 VAC Spring Seats
- Made in the USA
Keep us in mind for your building needs. At VAC Motorsports we are a full engine machine shop and can provide any race and machining services you require.
Fitment Details:
- M50 BMW 325i 1992; BMW 325is 1992; BMW 525i 1991, 1992, 1993, 1993, 1994, 1994, 1995, 1995; BMW 525iT 1993
- M52 BMW 323Ci 2000; BMW 323i 1998, 1999, 1999, 2000, 2000; BMW 323is 1998, 1999; BMW 328Ci 2000; BMW 328i 1996, 1996, 1997, 1997, 1998, 1998, 1999, 1999, 2000; BMW 328is 1996, 1997, 1998, 1999; BMW 528i 1997, 1998; BMW Z3 Roadster 1997, 1998, 1999, 2000
- S50 BMW M3 1995
- S52 BMW M3 1996, 1997, 1998, 1999; BMW Z3 M Roadster 1998, 1999, 2000; M Coupe 1999, 2000
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