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The LSX Header Bolts are precision-engineered from hardened Grade 10.9 steel, boasting a minimum tensile strength of 150,000 PSI. Designed with a unique flange that includes a built-in washer, these bolts ensure optimal clamping load distribution, making them a superior choice over OEM products for LS1, LS2, LS3, LS6, LS7, LS9, and GM Vortec engines. Perfect for those who demand performance and reliability in extreme conditions.
K**H
perfect fit on my 07 classic silverado 6.0
perfect fit on my 07 classic silverado 6.0
K**N
Works great on my ls swap
Works great for my ls swap
R**R
Lock washers could be better...
Is Ispeedy the new Spectre? These will work just fine, just wish the lock washers were a little beefier to better and more fully fit the flanged bolt heads
D**A
Tough product
Hardened steel love it no rust
M**E
Awesome
Great product
L**.
Don’t us lock washers
It cracked my manifold
J**S
High quality low cost
Much better clamping force than the studs I was using. I would recommend.
B**S
AAA.......
AAA..........
ترست بايلوت
منذ 3 أسابيع
منذ 3 أيام