JE ULTRA SERIES -5cc FLAT TOP Pistons Set | 4.075" Bore x 4.00" Stroke x 6.125" Rod 871253 AFR Mongoose 260cc Rectangle Port

AFR Mongoose 260cc Rectangle Port Cylinder Heads

Designed to work with the Harrop FDFI1900

- 16 x TSP Race Trunnion Bearings

- Designed for use in Dart blocks(Requires clearancing in GM Aluminum block to clear counterweights)

Features Of Your New AFR Mongoose 215cc Cylinder heads

JE ULTRA SERIES -5cc FLAT TOP Pistons Set | 4.075" Bore x 4.00" Stroke x 6.125" Rod 871253 AFR Mongoose 260cc Rectangle PortLSX Performance Parts proudly offer the biggest range in high performance pistons sets. JE Pistons have been setting the benchmark in performance & motorsport pistons set for decades & are the go to for those looking to achieve a specific goal with your LS build. Wether it be a mild street build OR an all out MAX effort race build, JE have a piston to exceed your expectations! JE Pistons Ultra Series pistons combine all of the best, most desirable