Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Take your BMW’s performance to the next level with the JE Pistons BMW S14B23 13.0:1 Compression Kit, built for those who demand the highest level of precision and reliability from their engine components. Perfect for track use or spirited street driving
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your BMW S14B23 with the JE Pistons 13:1 Piston Kit, engineered to provide the power and precision needed to dominate on the track or street.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Built to withstand the rigors of motorsport and aggressive driving, the JE Pistons BMW S14B20 13.0:1 Piston Kit is the ultimate upgrade for drivers seeking enhanced power and performance in their naturally aspirated engines.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 1988-1992 models with an automatic transmission and ECU # 0-261-200-524
Brand:
ES#:
3137198
Mfg#:
524-310
Back Ordered
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty -- For 1987 models with a manual transmission and ECU numbe
Brand:
ES#:
3979372
Mfg#:
524-200
Back Ordered
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with automatic transmission & Bosch DME #0
Brand:
ES#:
3098052
Mfg#:
153-330
Back Ordered
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 1988-1992 models with an automatic transmission and ECU # 0-261-200-153
Brand:
ES#:
3098049
Mfg#:
153-310
Back Ordered
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Street and Track Camshaft Setup
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Vehicles With Clockwise Distributor Only For Vehicles With Clockwise Distributor
Mild Street and Track Camshaft Setup
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Vehicles With Clockwise Distributor Only! For Vehicles With Clockwise Distributor
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.
Lifetime Replacement
