Frankenstein Engine Dynamics
M23 236cc SBC Angled-Plug Cylinder Head - Bare + Valves (SET)
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Springs not included*
On the hunt for the perfect cylinder head for your 350-427ci Small Block Chevy? Feast your eyes on the best "bang for buck" CNC ported option available today:
✅ 23° valve angle
✅ Factory port & valve locations (no spacers/offset rockers required)
✅ Manley stainless steel 2.080"/1.600" valves
✅ Angled spark plug position
✅ Ready for screw-in studs