Endurance Plus Dual Valve Springs with Damper (16) 1.560" OD ISK9385-PLUS Product:245LBS @ 2.000" Seat Pressure, 600LBS @ 1.280" Open Pressure, 1.180" Not designed for production 302/351W

Not designed for production 302/351W or M-6049-Y302/Y303/X302/X303/X30 4/X305 cylinder heads Uses common OD cam bearings M-6261-J351/R351 Uniqu e cam plug M-6026-S351 included M-6051-S331 or M-6051-CP331 head gasket recommended Designed to be compatible with the original 302 and 351W blocks and includes the following features: Designed to use stock type timing cover

RTFIRE-SMALL

Not Just Case Hardened

and lighting

130" raised 75cc exhaust ports Available with 60cc or 70cc combustion chambers 70cc combustion chambers are ideal for turbocharged and supercharged applications CNC gasket-matched port entries/exits with blended valve bowls Spark plug holes and valves are in the stock location Valve cover rail raised

Endurance Plus Dual Valve Springs with Damper (16) 1.560" OD ISK9385-PLUS Product:245LBS @ 2.000" Seat Pressure, 600LBS @ 1.280" Open Pressure, 1.180" Not designed for production 302/351WEndurance Plus Dual Valve Springs with Damper (16) 1. 560" OD245LBS @ 2. 000" Seat Pressure, 600LBS @ 1. 280" Open Pressure, 1. 180" Coil Bind ISK9385 PLUS K9385 PLUS The Endurance Plus series of valve springs utilises a specially processed Tool Room Material for increased endurance and reliability beyond the "SP" series plus special processing for increased durability. Endurance Plus springs are designed for late models, modifieds, etc and are