Add to Cart LS3 260cc Alm Cyl Head Assembled 2.165/1.590 CHEVROLET PERFORMANCE MSRP: Now: $1,069.76 Was: Cylinder Head - Assembled - 2.165 / 1.590 in Valves - 260 cc Intake - 68.4 cc Chamber - 1.290 in Springs - GM LS-Series - Each GMP12675871
Add to Cart 1.590 Beehive Valve Springs COMP CAMS MSRP: Now: $487.95 Was: Valve Spring - Race Street - Beehive Spring - 300 lb/in Spring Rate - 1.130 in Coil Bind - 1.590 in OD - Set of 16 COM26095-16
Add to Cart LS1 S/D 1.575 Exhaust Valves MANLEY MSRP: Now: $286.72 Was: Exhaust Valve - Severe Duty - 1.575 in Head - 0.3136 in Valve Stem - 4.923 in Long - Stainless - GM LS-Series - Set of 8 MAN11675-8
Add to Cart BBM S/D 1.810in Exhaust Valve MANLEY MSRP: Now: $35.84 Was: Exhaust Valve - Severe Duty - 1.810 in Head - 0.342 in Valve Stem - 5.369 in Long - Stainless - Mopar RB-Series - Each MAN11813-1
Add to Cart BBC S/D 1.880in Exhaust Valve MANLEY MSRP: Now: $35.84 Was: Exhaust Valve - Severe Duty - 1.880 in Head - 0.372 in Valve Stem - 5.464 in Long - Stainless - Big Block Chevy - Each MAN11525-1