P1 Manufacturing Offers Growing Line-Up of Precision Chevrolet LS/LT Engine Fastener Kits
- Jul 15
- 5 min read
A Continuously Expanding Catalog of In-House Manufactured Head Studs, Main Studs and Engine Hardware Delivers “The .1% Difference” to Top Engine Builders.
ROGERSVILLE, MO – P1 Manufacturing, manufacturer of critical engine hardware solutions, is highlighting the continuous expansion of its high-strength engine hardware lineup tailored for the Chevrolet LS and LT engine platforms. Designed to exceed the needs of professional racers and severe-duty engine builders, this rapidly growing catalog delivers precision-engineered, American-made fasteners for the most demanding configurations.
As motorsports builders push modern GM LS and LT blocks past standard thresholds using high-volume boost, factory torque-to-yield hardware stands out as a critical weak point. P1 Manufacturing counters this by continuously adding specialized engineering configurations to its domestic inventory. Manufactured to the tightest dimensional tolerances from proprietary high-grade tensile alloys (including the E190, S220, and H260 series), P1 kits guarantee structural consistency, maximum fatigue resistance, and absolute uniform clamping load across every cylinder.
Supported by recent capital infrastructure investments at its AS9100-certified facility in Rogersville, Missouri, P1 executes its entire production cycle under a fully vertically integrated model. By keeping operations like advanced forging, secondary Takamaz CNC machining, and precision thread rolling entirely under one roof, the company eliminates the quality variances common in offshore production, ensuring premium quality control across its evolving catalog.
"The LS/LT platform is legendary, but reaching extreme horsepower potential requires overcoming structural factory limits. We want the performance community to know that we are continuously engineering and rolling out highly specialized hardware configurations. From standard street blocks to extreme track setups like Dart LS Next and LSX, our catalog expansion is built to provide what we call 'The .1% Difference' in performance engineering." – Kevin Feeney, President of P1 Manufacturing
P1 Manufacturing is aggressively expanding this hardware line to incorporate the latest severe-duty combinations. A partial inventory of current active kit offerings is cataloged below.
About P1 Manufacturing: Headquartered in Rogersville, Missouri, P1 Manufacturing is a leading domestic manufacturer specializing in high-strength, critical engine hardware solutions for the motorsports, high-performance automotive, diesel and aerospace industries. Fully committed to American manufacturing excellence, P1 delivers vertically integrated, world-class products produced in an AS9100-certified facility to withstand the world's most demanding environments.
PART NUMBER | CATEGORY | DESCRIPTION |
K003-H02E | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, GEN 3 & 4, 2004+, ALL STUDS SAME LENGTH, 12PT NUTS, E190, BLACK OXIDE |
K003-H02S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, GEN 3 & 4, 2004+, ALL STUDS SAME LENGTH, 12PT NUTS, S220, BLACK OXIDE |
K003-H05E | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, GEN 3, 2003 & EARLIER, 2 DIFFERENT LENGTHS, 12PT NUTS, E190, BLACK OXIDE |
K003-H05S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, GEN 3, 2003 & EARLIER, 2 DIFFERENT LENGTHS, 12PT NUTS, S220, BLACK OXIDE |
K003-H06S | Head Stud Kits | CHEVROLET LT1 HEAD STUD KIT, 6.2L, M8 CORNER STUDS, 12PT NUTS, S220 SERIES, BLACK OXIDE FINISH |
K003-H07S | Head Stud Kits | CHEVROLET LSA HEAD STUD KIT, LONGER TAP END THREAD M8 CORNER STUDS, 12PT NUTS, S220, BLACK OXIDE |
K003-H08S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, RHS SOLID BLOCK W/ LS7 HEAD, 1/2" STUDS, 12PT NUTS, S220, BLACK OXIDE |
K003-H09H | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART ALUM LS NEXT, 7/16" STUDS, 15 STUDS/HD, 12PT NUTS, H260, PLAIN |
K003-H09S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART ALUM LSNEXT, 7/16" STUDS, 15 STUDS/HD, 12PT NUTS, S220, BLACK OXIDE |
K003-H10H | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART ALUM LS NEXT, 7/16" STUDS, 23 STUDS/HD, 12PT NUTS, H260, PLAIN |
K003-H10S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART ALUM LSNEXT, 7/16" STUDS, 23 STUDS/HD, 12PT NUTS, S220, BLACK OXIDE |
K003-H11S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART ALUM LSNEXT, 1/2" STUDS, 15 STUDS/HD, 12PT NUTS, S220, BLACK OXIDE |
K003-H12S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART ALUM LS NEXT, 1/2" STUDS, 23 STUDS/HD, 12PT NUTS, S220, BLACK OXIDE |
K003-H13E | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART IRON LS NEXT, 7/16" STUDS, 15 STUDS/HD, 12PT NUTS, E190, BLACK OXIDE |
K003-H13H | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART IRON LS NEXT, 7/16" STUDS, 15 STUDS/HD, 12PT NUTS, H260, PLAIN |
K003-H13S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART IRON LSNEXT, 7/16" STUDS, 15 STUDS/HD, 12PT NUTS, S220, BLACK OXIDE |
K003-H14H | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART IRON LS NEXT, 7/16" STUDS, 23 STUDS/HD, 12PT NUTS, H260, PLAIN |
K003-H14S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART IRON LSNEXT, 7/16" STUDS, 23 STUDS/HD, 12PT NUTS, S220, BLACK OXIDE |
K003-H15S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART IRON LS NEXT, 1/2" STUDS, 15 STUDS/HD, 12PT NUTS, S220, BLACK OXIDE |
K003-H16S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART IRON LS NEXT, 1/2" STUDS, 23 STUDS/HD, 12PT NUTS, S220, BLACK OXIDE |
K003-H17H | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART ALUM LS NEXT, UPGRADE KIT W/ 7/16" STUDS ONLY, 12PT NUTS, H260, PLAIN |
K003-H18H | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART IRON LS NEXT, UPGRADE KIT W/ 7/16" STUDS ONLY, 12PT NUTS, H260, PLAIN |
K003-H20S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, RHS HEAD, 7/16" STUDS, 12PT NUTS, S220 SERIES, BLACK OXIDE FINISH |
K003-H21E | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, GEN IV BLOCKS DRILLED FOR 1/2" STUDS, ALL SAME LENGTH, 12PT NUTS, E190 |
K003-H21S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, GEN IV BLOCKS MODIFIED FOR 1/2" STUDS, ALL SAME LENGTH, 12PT NUTS, S220 |
K003-H23S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, LSX BLOCK 12PT NUTS, S220 SERIES, BLACK OXIDE FINISH |
K003-H24S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, DART IRON LS NEXT, W/ ALL PRO 12-5 HEADS, 1/2" STUDS, 12PT NUTS, S220 |
K003-H25S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, LSX BLOCKS W/ MAST HEADS, 1/2" STUDS, 12PT NUTS, S220 SERIES, BLACK OXIDE |
K003-H30S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, LSX BLOCKS MODIFIED FOR 1/2" STUDS, 12PT NUTS, S220 SERIES, BLACK OXIDE |
K003-H31S | Head Stud Kits | CHEVROLET LS HEAD STUD KIT, LSX BLOCK WITH EDELBROCK VIC JR. HEADS, 12PT NUTS, S220 SERIES, BLACK OXIDE |
K003-HB02E | Head Bolt Kits | CHEVROLET LS HEAD BOLT KIT, GEN 3 & 4 2004 AND LATER, ALL BOLTS SAME LENGTH, E190 SERIES, BLACK OXIDE |
K003-HB05E | Head Bolt Kits | CHEVROLET LS HEAD BOLT KIT, 99-03, TWO DIFFERENT LENGTH BOLTS, E190 SERIES, BLACK OXIDE FINISH |
K003-M01E | Main Stud Kits | CHEVROLET LT1 MAIN STUD KIT, GEN V, 12PT NUTS, E190 SERIES, BLACK OXIDE FINISH |
K003-M03E | Main Stud Kits | CHEVROLET LS MAIN STUD KIT, GEN 3 & LSX, NOT FOR LT1, 12PT NUTS, E190 SERIES, BLACK OXIDE FINISH |
K003-M05S | Main Stud Kits | CHEVROLET LS MAIN STUD KIT, RHS ALUMINUM BLOCK, 12PT NUTS, S220 SERIES, BLACK OXIDE FINISH |
K003-M13S | Main Stud Kits | CHEVROLET LS MAIN STUD KIT, DART IRON LS NEXT SHP BLOCKS ONLY, W/ 7/16" STUDS, 12PT NUTS, S220 |
K003-M14E | Main Stud Kits | CHEVROLET LS MAIN STUD KIT, XR10 V10 BLOCK, 12PT NUTS, E190 SERIES, BLACK OXIDE FINISH |
K003-BB01S | Balancer Bolt Kits | CHEVROLET LS BALANCER BOLT KIT, GEN III / GEN IV, M16x2.0 x 4.32" UHL, 15/16" WRENCH, W/ WASHER & LUBE, S220 |
K003-BB02S | Balancer Bolt Kits | CHEVROLET LS BALANCER BOLT KIT, LS7 LT1, M16x2.0 x 5.18" UHL, 15/16" WRENCH, W/ WASHER & LUBE, S220 |
K003-C01E | Cam Bolt Kits | CHEVROLET LS CAMSHAFT BOLT KIT FOR 3 BOLT CAMS, 8mm X 1.25 THREADS, 25MM UHL, E190 SERIES, BLACK OXIDE |
K003-E01S | Exhaust Stud Kits | CHEVROLET LS EXHAUST STUD KIT, GEN 3 & 4 ENGINES, 1.750" OAL, QTY 12, S220 SERIES, BLACK OXIDE FINISH |
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