Weights of the parts 1990 454SS:

45 lbs - Stock Cast Iron Exhaust Manifold.

11 lbs - Stock Y-Pipe.

55 lbs - Stock Cast Iron Intake Manifold.

15 lbs - Stock Cast Iron Water Pump.

35 lbs - Stock Radiator (copper/brass)

150 lbs (75ea.) – Stock Cast Iron Heads.

37 lbs – Front Bumper (less brackets)

65 lbs – Rear Bumper (includes mounting brackets)

50 lbs – Tailgate

50 lbs – Stock Hood

65 lbs – Spare wheel/tire

28 lbs – Wheel alone.

45 lbs – Bed liner

18.1 lbs – Starter

20 lbs – Max Cool, ARS-9277 Alumninum Radiator..

20 lbs - Edelbrock Aluminum Intake manifold.

20 lbs - Weiand Aluminum Intake manifold.

30 lbs - Edelbrock Headers and Y-Pipe.

78 lbs (39 ea.) – Edelbrock Aluminum Heads (#6047).

40 lbs – Harwood Fiberglass hood

40 lbs – Weiand 177 Prostreet Supercharger (does not include the weight of the intake manifold).

8 lbs – Fiberglass rollpan.

6 lbs – Fiberglass front bumper (where can these be found?)

10.5 lbs – GMPP mini starter.

6.1 lbs – CSI Ultra-lite starter.

15 lbs – Centerline Telstar 15 x 8 billet aluminum wheel.

TDay.