Sold Out Quick view Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11684H-8 Compare $881.51 $661.99 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3110in Stem - 12856H-8 Compare $881.51 $661.99 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.344in O/A Length, 0.3110in Stem - 12850H-8 Compare $881.51 $661.99 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Compare $881.51 $661.99 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.110in O/A Length, 0.3110in Stem - 11714H-8 Compare $881.51 $661.99 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11712H-8 Compare $881.51 $661.99 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.110in O/A Length, 0.3110in Stem - 11710H-8 Compare $881.51 $661.99 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Currently Out of stock. On order! Currently Out of stock. On order!
Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Bead Loc Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696HB-8 Compare $716.99 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... Add to Cart Add to Cart
Quick view Manley Performance Manley 09+ Chrysler Hemi 5.7L 2.080in w/ Triple Groove Race Flo Intake Valves (Set of 8) - Hollow - 11696H-8 Compare $716.99 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... Add to Cart Add to Cart
Sold Out Quick view Manley Performance Manley Chevrolet LS7 intake Valve Kit - 2.205in Head Dia. 5.200in O/A Length, 0.3133in Stem - 11688H-8 Compare $881.51 $661.99 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Currently Out of stock. On order! Currently Out of stock. On order!
Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Compare $881.51 $661.99 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Cart
Quick view Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Compare $881.51 $661.99 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Cart
