Hot Racing 1/10 Manifold and return spring MSP1008

These are Replacement Round Port Exhaust Springs by Hot Racing.

FEATURES:
Black Spring Steel Construction

INCLUDES:
Two Springs

REQUIRES:
Exhaust Header with Round Port

SPECS:
Manfold spring Length:2.95" (75.0mm) Coil Diameter: 0.20" (5.13mm) Coil Length: 1.57" (40mm) Return spring Length: 1.44" (36mm) Coil Diameter: 0.23" (6mm) Coil Length:0.484" (12.0mm)