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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
hard-starting engine
solid steel construction
Available in multiple sizes and styles to suit your needs
Speedmaster main caps improve reliability in highly stressed engines by reducing distortion of the main bearing bores
Small Block Chevy heads are available with Straight or Angled sparkplugs
GM Powerglide 10 Clutch Drum Assembly Kit hard-starting engineSpeedmaster hub and piston kits are engineered for enhanced Powerglide performance. With a 10 clutch drum system, these kits can hold 10 frictions and 10 Kolene steels, boosting the lockup surface to manage much higher torque than modified OE drums.
