Pay in 4 interest-free payments of $20.00 Learn more
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
or aftermarket 4
2x required to do 1 Engine**
FACTORY CALIBRATION RESISTOR OR FREE-AIR CAL
Note: Only 2019-2021 E90 ECMs are currently accepted
LS, GMP, 5.7, HEAD BOLTS, 1 HEAD 62 mm or aftermarket 4GM Performance Head Bolt set suit staggered bolt style LS1's Genuine replacement head bolts for use in LS engines that require staggered bolt lengths found in pre September 2003 Vehicles. For LS1 LS6's that require all same length head bolts, post September 2003 please go here **Please note these are Sold Individually 2x required to do 1 Engine**
US$ 13.95
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US$ 16.25
US$ 17.99
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US$ 25.00