DeWitts: 1963-64 Dated Expansion Tank Harrison GM# 3155416 spar smooth underside shell is fused

smooth underside shell is fused to the top layer enhancing the product’s structural integrity

Includes ABS plastic heat shield to block engine heat at idle and low speed

A large number of variables are involved in determining the correct length pushrod for your application

Large opening to load with ice at the track

Approximately 6 gallons of extra fluid

DeWitts: 1963-64 Dated Expansion Tank Harrison GM# 3155416 spar smooth underside shell is fused1963 1964 CORVETTE SURGE TANK DATE CODED Model: 401 Exact reproduction of GM 3155416 including Harrison logo and filling instructions. Featuring the original pressed fittings and correct date code. Produced from orginal tooling and licensed by GM. California Proposition 65 Statement