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Competition Cams 977-4
VALVE SPRING, 1.460" 972-973; This valve spring kit is perfect for applications that are setup more for high performance street to street/strip applications.
Reliance Power Parts K4936076
Reliance Power Parts Valve Spring. Engineered for heavy-duty diesel engines including Caterpillar, Cummins, Detroit Diesel, Navistar, and John Deere applications.
Reliance Power Parts NB365R
Reliance Power Parts Valve Spring. Engineered for heavy-duty diesel engines including Caterpillar, Cummins, Detroit Diesel, Navistar, and John Deere applications.
Pioneer Automotive Industries, LLC B-306-SHPRS-125
Pioneer Automotive Industries Valve Spring Insert. Designed as a direct OEM replacement for reliable engine performance.
Pioneer Automotive Industries, LLC RV-1353-4
Pioneer Automotive Industries Valve Spring. Designed as a direct OEM replacement for reliable engine performance.
Pioneer Automotive Industries, LLC RV-480-100
Pioneer Automotive Industries Valve Spring. Designed as a direct OEM replacement for reliable engine performance.
Pioneer Automotive Industries, LLC RV-970-A-4
Pioneer Automotive Industries Valve Spring. Designed as a direct OEM replacement for reliable engine performance.
Manley 221418-1
Manley Valve Spring, 1.026 SINGLE; Manley Valve Spring, SPRING-1.026 SINGLE
Manley 22429-1
Manley Valve Spring, 1.550 CHR SIL; Manley Valve Spring, SPRING-1.550 CHR SIL
