Increase supercharger rotational speed to provide more boost to your engine
2X Entries Into Our F80 M3 Sweepstakes *To be used with Stage 2 software - Stage 2+ software necessary if used in conjunction with a supercharger pulley upgrade*
Brand:
ES#:
4005444
Mfg#:
034-145-Z045
In Stock
ON SALE!
SAVE 10%
$500.00
This product was last offered at the strikethrough price on 08-17-2026
81.5mm bore (oversized), 9.0:1 compression ratio, 86.4mm stroke- includes rings, wrist-pins, & circlips
+.5mm bore size: Overbore pistons require additional machine work including a cylinder bore and hone, this work must be performed by a machine shop
These billet aluminum valve covers permanently solve the cracking and leaking issues common with factory plastic units, while offering a premium anodized finish and adaptable PCV plumbing.
Brand:
ES#:
5457203
Mfg#:
IEBACG2
Ships in 2 Business Days
ON SALE!
SAVE 10%
$999.99
This product was last offered at the strikethrough price on 09-02-2026
Designed to maintain reliable clamping force under sustained heat and load, addressing the limitations of OE torque-to-yield head bolts that can stretch and degrade at higher power levels.
2X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5446956
Mfg#:
034-201-5031
In Stock
ON SALE!
SAVE 10%
$550.00
This product was last offered at the strikethrough price on 08-17-2026
Spin the supercharger faster without affecting the accessory drive system
10X Entries Into Our F80 M3 Sweepstakes Appropriate stage 2 software is required for use
Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.
Lifetime Replacement
