4" Extended .40 Rudder Assy. PDF Print $54.95 SKU: SPDR-010-4X Speedmaster 4" Extended .40 Rudder Assy. SPDR-010-4X Add to Wishlist Add to Compare Back to: Speedmaster & Miscellaneous Hardware Description Speedmaster 4" Extended .40 Rudder Assy.SPDR-010-4X