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Competition Cams H604-1
Beehive Hustler Spring for GM 604/CT525 LS Crate Engine; Visually identical to the blue LS6 springs, Hustler Beehive Springs add 4% higher load than stock for better valve control over stock. This spring delivers an advantage in circle track racing for those willing to bend the rules.
Competition Cams H604-16
Beehive Hustler Springs for GM 604/CT525 LS Crate Engine; Visually identical to the blue LS6 springs, Hustler Beehive Springs add 4% higher load than stock for better valve control over stock. This spring delivers an advantage in circle track racing for those willing to bend the rules.
