IC Replacement Cores $99.99 core model Stage 2 IC Stage 2 IC Short Stack IC Stage 2 IC Short Stack IC Add to Cart Please enter your email below if you'd like to be notified when it's available. Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. IC Replacement Cores is machined for numerous applications. Stage 2 IC and Short Stack IC available.