1970 Mustang Boss 302 Master Chassis OEM Correct Bolt Kit Disc Brake (340 pcs)
Overview
The 1970 Mustang Boss 302 Master Chassis OEM Correct Bolt Kit (340 pcs) is engineered for precision restorations requiring fully authentic hardware. Each fastener group is matched to Ford’s original specifications, including correct finishes, thread types, head markings, SEMS configurations, and OEM-style washers and nuts.
Designed for the 1970 Boss 302 with disc brakes, this comprehensive kit services the full chassis: steering, suspension, braking, driveline, engine support brackets, fuel mounting, stabilizer systems, and structural hardware. A must-have for concours restorers and high-detail rebuilds seeking exact OEM-correct fitment.
What’s Included
ACCEL Bellcrank > Firewall — HXWA AB screws
Axle Housing > Springs — 5 3/4" U-bolts, flange nuts
Axle Retainer Plates – 250 & 8 cyl — T-bolts, lock nuts
Brake Booster > Firewall — HX split SEMS, flange nuts
Brake Cables > Body — Retaining clips, HX nuts
Brake Calipers > Spindle — Drilled Grade 8 bolts, split washers
Brake Drum Retainers — Green push-on retainers
Brake Hose > Axle Housing – 428CJ & Boss — HX bolt, split washer
Brake Hoses (disc) > Body — HXWA C screws, U-clip
Brake Light Switch — Retaining pin
Brake Rotor Shields — HX external SEMS
Coil Spring Seats (perches) — Lock nuts only
Control Arms (lower) — Grade 8 cam bolts, red nuts, washers
Control Arms (upper) — Grade 8 1/2-13 knurled bolts, red nuts
Crossmember, Tubular (front) — Split-head countersunk bolts
Differential Carrier > Housing — Red lock nuts, copper washers
Driveshaft – V8, 6 cyl ’67–’68 A/T, all ’69 > — 5/16" U-bolts, lock nuts
Engine Insulator > Block – 289/302/351 — Split flange bolts
Engine Insulator > Body Brackets (exc 70F 6 cyl) — 4 3/8" UBS flange bolts & nuts
Engine Mounts > Body – V8 — UBS flange bolts & nuts
Exhaust Hangers – Dual — HXWA C screws
Gas Cap (pop open) — PH flat A screws only
Gas Tank — HXWA AB screws
Gas Tank Filler Neck w/ Twist Cap — HXWA B screws
Grease Plugs, Chassis — HX plugs
Idler Arm — HX bolts, lock nuts, clipped washers
Leaf Spring Mounting @ Front — Flange bolts & nuts
Master Cylinder w/ Power Brakes — Flange nuts
P/S Cylinder Bracket > Body — HX bolts, lock nuts, washers
P/S Hose Support Insulator Retainer — HXWA screws
Parking Brake Control > Body — HXWA serrated screws
Pitman Arm > Gear Box — HX jam nut, split washer
Proportioning Valve > Apron — UBS flange nuts
Shock Brackets (front) — Low-head carriage bolts, flange nuts
Shocks (front) — HX external SEMS “Anchor”, 5/16-18 nuts, washers
Stabilizer Bar (front) Brackets — HX conical SEMS, lock nuts
Stabilizer Bar (front) End Links — Bolts, retainers, bushings, spacers, nuts
Stabilizer Bar (rear) > Body — HXWA screws
Steering Coupling 11/4/68 > — 12-point bolt, 5/16-18 lock nuts
Steering Gear Box — Grade 8 HX bolts, clipped flat & split washers
Steering Linkage w/ PS – ’69 HD, all ’70 — Slotted nuts, cotter pins, flat washers
Strut Rod Threaded Ends > Body — Lock nuts only
Strut Rods > Lower Control Arm — 1/2-13 split-knurled bolts, nuts, pins
Suspension Bumper (rear) — Lock nut
Transmission Crossmember — UBS flange bolts & nuts
Transmission Insulator – All (Master Kit Combo) — For Master Kit
Wheel Cylinders (2) – 250 & all 8 cyl — 5/16-18 HX external SEMS
Common Uses
Concours-level 1970 Mustang Boss 302 restorations
Full chassis hardware replacement
Steering, suspension, and braking rebuild projects
Shipping & Guarantee
Ships from Winchester, VA
60-Day Returns
SKU: 70Z-HDSB(1125)
We won’t screw you, but our fasteners will!™
1970 Mustang Boss 302 Master Chassis Bolt Kit | OEM Correct | East Coast Bolts