LS3 12-Degr Cylinder Heads Fully CNC Ported
Secure checkout with Cunningham Customs LLC. Real people handle your order. Create an account to save garage, favorites, and addresses for next time.
Why builders shop this part at Cunningham Customs LLC
Looking for LS3 12-Degr Cylinder Heads Fully CNC Ported (SKU AFR1845)? Cunningham Customs LLC stocks AIR FLOW RESEARCH performance hardware for serious builds — street, strip, dirt late model, sprint, drag, and 4x4. Cylinder Head - LS3 Mongoose - Assembled - 2.165 / 1.600 in Valves - 260 cc Intake - 69 cc Chamber - 1.270 in Springs -... Fitment notes from listing research: We suggest checking fitment carefully — product data mentions: LS3 12-Degr Cylinder Heads Fully CNC Ported · Cylinder Head - LS3 Mongoose - Assembled - 2.165 / 1.600 in Valves - 260 c. Always confirm before you buy. Shop sprint car with Grok AI search and fitment coaching on every product page. Compare options, confirm applications, then check out securely — real people at Cunningham Customs handle your order, payment, and shipping.
Shop all parts · Search the catalog · Build guides · Camshaft help · More AIR FLOW RESEARCH
Questions about fitment or install? Ask Grok anytime, or Call Us at +1 (424) 447-8470. We're here to get the right part on your build.

Comments & builder notes
Share fitment tips, install notes, or questions. Customers, the shop, and Grok can all chime in. New comments notify the Cunningham Customs team for review.