Main Bolt Kits

Pioneer Performance Main Bolt Kits are 100% U.S. Manufactured to the same hi8gh quality standards as our Performance Head Bolt Kits.

These features include heat treating to 180,000 PSI tensile strength, reduced size 12 Pt. Heads and extended thread length for distributing torque stretch which increases clamping force.

Extra thick, hi-tensile and chamfered washers are included in each kit.

PACKAGED 1/KIT PER ENGINE

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Part #	Description	Price
855200	Chevrolet Small Block - 2 Bolt Main, Large Journal	29.51
855201	Chevrolet Small Block - 4 Bolt Main, Large Journal	55.36
855202	Ford 302 - 2 Bolt Main	29.51
855203	Ford 302 - 4 Bolt Main	CALL
855204	Chevrolet Small Block - 2 Bolt Main, Small Journal	CALL
855205	Chevrolet 262Z 90° V6 - 2 Bolt Main	CALL
855206	Chevrolet 262Z 90° V6 - 4 Bolt Main	CALL

Call 1-877-354-3812
to order your Parts Today!

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About RPM Machine | Specials | Newsletter
RPM Machine-Performance Auto Parts
8060 so 1300 W
West Jordan Utah 84088

We carry parts from scat, je, wiseco, ross, crower, callies, eagle, cat, eagle
Most of our rotating assemblies include forged pistons
and 4340 steelcranks