Engine Kits

1987-98 Chevy 305-350 Xtreme 4x4 Hyd. Roller Camshaft
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1987-98 Chevy 305-350 Xtreme 4x4 Hyd. Roller Camshaft



Part #: 08-413-8
List Price: $586.88
Our Price: $293.44
You Save: $293.44



Comp Cams Xtreme 4 x 4 1987-1998 305-350 8 cyl. Hydraulic Roller Camshaft

Hydraulic Roller: Good mid-range power, needs headers, 3.55 -4.10 gears, 2000stall. Noticeable idle.Originally Equipped with Hydraulic Roller Camshaft, Except LT1 and LT4.  X4 270HR-11
Advertised Duration 270 int./274 exh.
Advertised Exhaust Duration 274
Advertised Intake Duration 270
Basic Operating RPM Range 1,500-5,500
Brand COMP Cams
Cam Style Hydraulic roller tappet
Computer-Controlled Compatible No
Computer-Controlled Compatible Yes
Duration at 050 inch Lift 220 int./224 exh.
Exhaust Duration at 050 inch Lift 224
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.474 in.
Grind Number CS X4 270HR-11
Intake Duration at 050 inch Lift 220
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.474 in.
Lobe Separation (degrees) 111
Part Type Camshafts
Product Line COMP Cams Xtreme 4x4 Camshafts
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.474 int./0.474 exh. lift