With an optimized dome design and available in different compression ratios including this 11.5:1 design, this piston boosts power and efficiency. Specs: 11.5:1 Compression - 87.50 mm Bore – 1.271 in. CH, -13.80cc
Designed to increase compression and enhance power output, these lightweight and durable pistons are ideal for high-performance applications. Specs: 87.50 mm Bore – 1.271 in. CH, -9.20 CC
High-Quality Materials Built to withstand extreme temperatures and pressures for superior engine protection. Specs: – 87.00 mm Bore – 1.220 in. CH, -25.80 CC
This replacement mechanical A/C belt tensioner assembly from Febi Bilstein restores the precise, constant tension your accessory drive system requires.
We Price Match - Give Us A Call or Chat!
Fix hard starts and erratic engine timing with a direct-fit replacement engineered to restore factory-level performance and smooth operation
5X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5482488
Mfg#:
3148000038
Ships in 3 Business Days
$27.99
This product was last offered at the strikethrough price on 09-11-2026
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
