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Vehicle Info NeededHUSHMATPART NUMBER: 774-661603
Door Sound Deadening and Thermal Insulation Kit for 1960-1976 Plymouth Valiant
$10196
Ships on 11/03/2026
Lowest Price GuaranteePlymouth
Door Sound Deadening and Thermal Insulation KitFits 1960-1976 Plymouth Valiant Covers Doors Butyl Rubber Compound, R-7 Rating Black/Silver Backing Sold as a Kit
Cut wind and road noise from a Plymouth Valiant with a custom-measured HushMat Ultra kit that treats the door panels in one peel-and-stick package.
HushMat 661603 Door Sound Deadening Kit Features:
- Covers Doors
- Butyl Rubber Compound construction with an R-7 thermal insulation rating
- Black/Silver finish
- Withstands bakes up to 240 deg C (464 deg F) without sagging or losing adhesion
- Self-adhesive peel-and-stick application, no separate tools or adhesive required
- Sold as a complete kit
High-Performance Sound & Thermal Insulation Kits
Hushmat Vehicle Specific Sound & Thermal Insulation Kits provide exceptional sound deadening and thermal insulation characteristics for specific makes and models. Featuring visco-elastic chemistry, Hushmat sound deadening and thermal insulation products help reduce unwanted road noise and decrease in car temperatures created from your vehicle's engine and exhaust. Create a cool, quiet, and comfortable experience in your ride today with Hushmat Vehicle Specific Sound & Thermal Insulation Kits.
Part TypeThermal Acoustic Insulation
Product LineHushMat Vehicle Specific Sound & Thermal Insulation Kits
BrandHUSHMAT
Package Height3.0
Package Width12 in
Package Length23 in
Weight7.0 PG
Part CategoryPerformance Parts
R-Value7
Cold Flexibility-30 deg C without Cracking
ColorBlack Polymer / Silver Backing
QuantitySold as a Kit
MaterialButyl Rubber Compound
CoverageDoors
Hardness6.5-9.0 mm (ASTM D-5)
Thickness1.5 mm
ReusableNo
Cutting RequiredYes
Temperature Resistance464 deg F (1 hr Bake, No Deformation)
FlammabilitySelf-Extinguishing per FMVSS 302
Additional Adhesive RequiredNo
Shelf Life12 Months Minimum, Stored Below 40 deg C
SafetyNot Considered a Hazardous Material
Part FitmentDirect Fit
Specific Gravity1.47 (0.47 lb per sq ft)
Vendor Part Number661603
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
