1970 Master Chassis Kit 307/350, Drum Brakes
1970 Master Chassis Kit 307/350, Drum Brakes; 1970 Master Chassis Bolt Kits for Small Block (307/350) vehicles with Front Drum Brakes are complete undercarriage hardware sets designed for full frame-off restorations and authentic vehicle builds.
Manufactured primarily by AMK Products to meet original factory blueprints, these comprehensive bundles replace roughly 85% of all original undercarriage fasteners. They utilize factory-accurate head markings, correct thread pitches, and original chemical finishes (such as black phosphate, silver zinc, and cadmium plating) to satisfy strict concours judging guidelines. Sourcing a pre-packaged master chassis kit eliminates guesswork and typically saves builders at least 20% to 25% compared to buying individual component hardware packs.
What the 335 to 367-Piece Kit Includes
The underlying fasteners arrive divided into individually sealed, clearly labeled sub-bags categorized by functional mechanical sub-assemblies (identified by factory “G-numbered” codes). Depending on the precise manufacturer configuration, a standard small-block drum kit averages between 335 to 367 total pieces covering:
- Front Drum Brake & Master Cylinder Hardware: Brake booster flange nuts, front brake drum backing-to-spindle Grade 8 hex bolts and locking nuts, brake hose retainers with drum U-retainers, brake line frame clips, and master cylinder mounting hardware.
- Suspension & Steering Systems: Factory-spec pointed bolts and locknuts for upper and lower front control arms, control arm bushings, sway bar insulator brackets and end links (including rubber bushings), idler arm, pitman arm, steering gear/box-to-frame high-tensile bolts, and front/rear shock mounts.
- Drivetrain & Small Block Details: Factory-correct 307/350 small block engine-to-frame mount bolts, frame-side engine mount bracket hardware, transmission crossmember and insulator fasteners, differential housing cover bolts (10-bolt specific), axle retainer plates, and rear driveshaft U-joint hardware.
- Fuel System & Underbody Assemblies: Gas tank mounting strap hardware, fuel filler neck cover screws, parking brake assembly cables/controls, and accelerator pedal linkage lever supports.
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