Performer-Link Edelbrock 7803 Performer-Link Timing Chain And Gear Curacao True Rolling Timing Chain The Performer-Link timing sets are not for use above 6, 500 RPM. They offer the ultima te in durability, performance, and low friction operation. NOTE: For timing chain and gear installation, we suggest that you check the manufacturer's service manual or Motors, Chilton's, or Mitchell for Not applicable to OEM roller lifter camshaft equipped engines Mopar Performance P5249267: Double Roller Timing Set SB-Chrysler 5.2L/5.9L Magnum Not for use above 6, 500 RPM Gaskets, bolts and studs are not included Edelbrock Timing Chain And Gear Set Chry 318-360 - 7803 The Edelbrock Performer-Link True Rolling Timing Chain Sets utilize a solid-bushing chain that rolls with the sprocket on a true bearing surface that eliminates chain stretch. However, 50-state (stock replacement) sets have single keyways. The crank gears are machined from billet SAE-1144 steel which is induction heat-treated.