Comp Cams CB .300 Tall Cutaway Offset Lifters Exhaust you'll need to verify that

you'll need to verify that your vehicle's electrical system supports the heating circuit

Factory attachment points — Uses existing holes and studs

which increases surface area and improves heat transfer compared to your factory radiator

Hoses and thermostat are separate items you'll source based on your vehicle's specific configuration

25 — the open-end design just means you don't thread the nut onto a socket

Comp Cams CB .300 Tall Cutaway Offset Lifters Exhaust you'll need to verify thatEngineered for Chevrolet applications with extreme pushrod angles, these . 300" taller Solid Roller Lifters from COMP Cams are engineered to withstand the demands of aggressive cam lobe designs and increased RPM ranges. They feature a wear resistant tool steel axle, precision sorted needle bearings and EDM Oil InjectionT Technology that guarantees the bearing assembly receives a constant flow of oil. Endure XT Solid Roller Lifters are heat treated,