COMP Cams 11-602-4 Big Mutha Thumpr 295TH7 Flat Tappet Hyd. Camshaft for Chevrolet Big Block 396 -454 EnginesThumpr 243 257 Hydraulic Flat Cam for Chevrolet Big Block 396 454 treet strip, needs 9. 5: 1 compression, 2800+ stall, intake, gears and headers, very rough idle. *BBC 1965 66 396 c. i. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a camshaft with the oiling groove

Reconditioned GM 5

522 Exhaust Valve Lift 0

Machine work may be required

OEM Throttle Body Adaptor Plate - Part# 146029-KIT

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Dart SHP block (4

Eagle 4340 forged 4

Spring Rate (lbs/in): 753 lbs

Fits square flange / 4150 intake bolt patterns

Hypereutectic

Pro series cylinder head studs from ARP are cold-forged to ensure molecular integrity

Chevrolet LSX block (4