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PROFORM Roller Rockers
Chevrolet, Oldsmobile, Pontiac & AMC Applications
Chevrolet, Oldsmobile, Pontiac & AMC Applications
Engine
Year
Ratio
Stud
Part Number
Buy Online
Chevy Small-Block Gen I
1955-1986
1.5 Ratio
3/8"
66907
Chevy Small-Block Gen I
1955-1986
1.6 Ratio
3/8"
66908
Chevy Small-Block Gen I
1955-1986
1.5 Ratio
7/16"
66909
Chevy Small-Block Gen I
1955-1986
1.6 Ratio
7/16"
66910
Chevy Small-Block Gen I
1955-1986
1.5 & 1.6 Ratio
3/8"
66920C
Chevy Small-Block
1987-2000
1.5 Ratio
3/8"
66914
Chevy Small-Block
1987-2000
1.6 Ratio
3/8"
66915
Chevy Big-Block
1958-2000
1.7 Ratio
7/16"
66913
Oldsmobile 260-455 V8
1964-1990
1.6 Ratio
7/16"
66860C
Pontiac 265-455 V8
1955-1981
1.5 Ratio
7/16"
67481
Pontiac 265-455 V8
1955-1981
1.65 Ratio
7/16"
67482
AMC 287-401
1963-1979
1.6 Ratio
3/8"
67480
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