Chevy 305-350ci Small Block 1987-98
- For engines originally equipped with a hydraulic roller camshaft, except LT1 and LT4.
- High Performance Street Machines, 2000+ stall, gears, choppy idle
- Installation Note: Stock springs cannot be used.
265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10
High performance street machines, 2000+ stall, gears, choppy idle.
Specifications:
Advertised Duration
276 int./282 exh.
Advertised Exhaust Duration
282
Advertised Intake Duration
276
Assembly Lubricant Included
No
Basic Operating RPM Range
1,900-5,600
Cam Style
Hydraulic roller tappet
Computer-Controlled Compatible
No
Duration at 050 inch Lift
224 int./230 exh.
Engine Make/Size
Chevy Small Block (262-400)
Exh. Duration @ .050 in. (Deg)
230
Exh. Duration Advertised (Deg)
282
Exhaust Duration at 050 inch Lift
230
Exhaust Valve Lift
0.51 in (12.954 mm)
Exhaust Valve Lift with Factory Rocker Arm Ratio (
0.51
Grind Number
CS XR276HR-10
Int. Duration @ .050 in. (Deg)
224
Int. Duration Advertised (Deg)
276
Intake Duration at 050 inch Lift
224
Intake Valve Lift
0.502 in (12.751 mm)
Intake Valve Lift with Factory Rocker Arm Ratio (i
0.502
Lifter Style
Hydraulic roller
Lifter Type
Hydraulic Roller
Lobe Separation (Deg)
110
Part Category
Performance Parts
Timing Chain Style
Double non-roller
Timing Chain and Gears Included
Yes
Valve Lift with Factory Rocker Arm Ratio
0.502 int./0.510 exh.
Valve Springs Included
No
Valve Springs Required
Yes
Valve Stem Seals Included
No
Vendor Part Number
SK08-423-8