Straub Technologies Engine and Accessory Fastener Kit - 3 Engine Set - GM LS-Series 346-9003 24232513 The single-piece construction uses UV-resistant

The single-piece construction uses UV-resistant Dura-Flex 2000 TPO material

a crush sleeve

175lb/in rear spring rate

1958-1959 GMC S370

Straub Technologies Engine and Accessory Fastener Kit - 3 Engine Set - GM LS-Series 346-9003 24232513 The single-piece construction uses UV-resistantProduct Description: Engine and Accessory Fastener Kit 3 Engine Set GM LS Series With 25 years of experience in the performance industry, Straub Technologies has built relationships with many of the top companies. Our ability to source, design, and sell products to satisfy the performance needs of industry giants and grassroots racers alike has built our reputation as the go to source in the performance industry.