Includes rings, wire locks, and 23mm wrist pins - 83.0mm bore (0.5mm overbore), 9.6:1 CR, 92.8mm stroke (stock)
To be used with connecting rods that accept 23mm wrist pins
Includes rings, wire locks, and 23mm wrist pins - 82.5mm bore (stock), 9.6:1 CR, 92.8mm stroke (stock)
To be used with connecting rods that accept 23mm wrist pins
Includes rings, wire locks, and 21mm wrist pins - 83.0mm bore (0.5mm overbore), 9.1:1 CR, 92.8mm stroke (stock)
To be used with connecting rods that accept 21mm wrist pins
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
One heat range colder than stock with a non-projected tip
Brand:
ES#:
4017473
Mfg#:
DR12S
In Stock
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$12.99
This product was last offered at the strikethrough price on 10-19-2026
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
