82.5mm bore (oversized), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms +1.5mm bore size: Overbore pistons require additional machine work including a cylinder bore and hone, this work must be performed by a machine shop
82mm bore (oversized), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms +1mm bore size: Overbore pistons require additional machine work including a cylinder bore and hone, this work must be performed by a machine shop
The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *General use blow off valve for custom big turbo applications - Not a direct fit valve*
Reinforced silicone hose allows for simple removal of the failure-prone after run coolant pump
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
A great upgrade for stock to mildly tuned engines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
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Brand:
ES#:
4818434
Mfg#:
06A145710P
In Stock
ON SALE!
SAVE 20%
$41.99
This product was last offered at the strikethrough price on 05-02-2026
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
