Page 23 - 2018 Master Catalog

GM LS SERIES FULCRUM
UPGRADE KIT
PRW GM LS Series Fulcrum Upgrade kits are designed to upgrade stock LS Series rocker arms into FORD 390-428 FE ADJUSTER
stronger, more capable trunnions for performance applications. They include replacement SCREW KIT, VALVE LASH
fulcrums, drawn cup bearings, circlips, and fasteners for a full set of 16. Strengthen your
valvetrain with this Fulcrum Upgrade Kit. 7/16”-20 x 3/8” Ball End Valve Lash Adjuster Screws, LATEST ADDITIONS
PART NO. DESCRIPTION Lock Nuts, & Stainless Steel Washers, Set of 16.
PART NO. DESCRIPTION
1213462 GM LS Series Fulcrum Upgrade Kit
1203908 Ford 390-428 FE Adjuster Screw Kit

CHEVY PRO SPORT 4340 STROKER H-BEAMS
• Perfect for high horsepower, supercharged and nitrous applications
• Double rib cap design for added strength and bearing support STROKER
• Special hollow doweled cap for accurate cap-to-rod beam alignment
• Polished and shot peened beams to eliminate stress risers CLEARANCED
• Comes standard 7/16” ARP Cap Screw Bolts
• ARP2000 bolt upgrade available
PART NO. SHORT NO. DESCRIPTION PART NO. SHORT NO. ROD LENGTH CRANK PIN WRIST PIN B.E. WIDTH WEIGHT
2-350-6000-2100-S 6600021S Bushed 2-350-6000-2100-SA 6600021SA 6.000 2.100 .927 .940 616
2-350-6125-2100-S 6612521S Bushed 2-350-6125-2100-SA 6612521SA 6.125 2.100 .927 .940 616
2-350-6250-2100-S 6625021S Bushed 2-350-6250-2100-SA 6625021SA 6.250 2.100 .927 .940 616
ARP 8740 7/16” CAP SCREWS ARP 2000 7/16” CAP SCREWS

SERIES 9000 CAST LIGHTWEIGHT CRANKSHAFTS
• Precision ground and micropolished
• A perfect way to increase cubic inches on mild to moderate street or race engines
• Designed after our custom billets and made from SCAT’s exclusive space-age 9000 material
PART NO. SHORT NO. DESCRIPTION STROKE ROD LENGTH ROD PIN WEIGHT TECH NOTES

9-350-3480-5700-I 935010-I 350 2-Pc Rear Seal 3.480 5.700 2.100 50 Internal Balance to 1700 grams
9-350-3750-5700-I 935050-I 350 2-Pc Rear Seal 3.750 5.700 2.100 50 Internal Balance to 1750 grams
9-350-3750-5700L-I 935050L-I 350 1-Pc Rear Seal 3.750 5.700 2.100 50 Internal Front, External Rear to 1750 grams

LS/LT SERIES STANDARD WEIGHT 4340 FORGED CRANKSHAFTS
• Shot peened, heat treated, precision ground & ion nitride for superior strength • 24 tooth reluctor wheel (2005 & prior) engines
• Rough balanced and reluctor wheel installed • 58 tooth reluctor wheel (2006+) engines
• Keyway cut for damper
PART NO. SHORT NO. FLYWHEEL BOLT STROKE ROD LENGTH ROD PIN WEIGHT TECH NOTES
LT1 SERIES - 8 BOLT FORGED 4340 STANDARD WEIGHT
4-LT1-4000-6125-58 4LT540065 8-Bolt 4.000 6.125 2.100 50 58-Tooth Reluctor Wheel
4-LT1-4125-6125-58 4LT541265 8-Bolt 4.125 6.125 2.100 50 58-Tooth Reluctor Wheel

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