1967 Through 1979 Pontiac STOCK REPLACEMENT Valve Spring Kit
SBI Part Numbers 16 Of Each
160-1136 Inner + 160-1137 Outer
Fits Pontiac 326 350 400 455 428 From 1967 Through 1979
Except Ram Air , Except 1967-1970 With Factory Manual Transmission
SPECIFICATIONS
160-1136 Inner Spring
1.060" OutsideDiameter
0.776" Inside Diameter
1.760" Length
0.950" Solid Length
0.142" Wire Diameter
A877 Material
102 Lbs @ 1.114" Open Pressure
31 Lbs @ 1.566" Closed Pressure
6.75 LH Turns / Direction
160-1137 Outer Spring
1.398" Outside Diameter
1.058" Inside Diameter
1.940" Length
0.990" Solid Length
0.170" Wire Diameter
AS33 Material
140 Lbs @ 1.134" Open Pressure
62 Lbs @ 1.586" Closed Pressure
5.80 LH Turns / Direction
These Are A Stock Replacement DROP IN Spring No Machining Required
