COMP Cams Magnum Hydraulic Flat Tappet Camshaft - 110 LSA - Mopar B / RB-Series 21-243-4 COM20-243-4 GM 12SI / CS130 /

GM 12SI / CS130 / AD230 Alternators

Longacre is an established brand name in the industry and is recognized for dedication to quality

Gray & White Available in 2 sizes: 0

Matched Coil and Module produce the highest voltage and energy

1964-1966 Pontiac Catalina 2+2 CID 421 Naturally Aspirated GAS

COMP Cams Magnum Hydraulic Flat Tappet Camshaft - 110 LSA - Mopar B / RB-Series 21-243-4 COM20-243-4 GM 12SI / CS130 /Comp Cams Magnum Hydraulic Flat Tappet Camshaft 110 LSA Mopar B RB Series An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts. Ideal for use with higher compression ratio engines that need to bleed off compression, the magnum series performs its best when static compression is 9. 5: 1+ and with an