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!
Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Compare $382.30 $286.99 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 Chrysler Hemi 6.1L w/ Triple Groove 2.100in Race Flo Intake Valves (Set of 8) - 11670-8 Compare $252.01 $189.99 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 Dodge Hemi Gen III 5.7L Stainless Race Flo Intake Valves Set w/ Bead Loc Groove (2.020in) - 11666HB-8 Compare $716.57 $537.99 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 Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Compare $382.30 $286.99 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
Sold Out Quick view Manley Performance Manley Volkswagen 1.2L Type I Exhaust Valve Kit 37.50mm Head Dia. 4.405in O/A Length, 0.3130in Stem - 11655B-4 Compare $119.80 $89.99 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... Currently Out of stock. On order! Currently Out of stock. On order!
Quick view Manley Performance Manley VW 1200-1600 Single Groove 33mm Race Master Exhaust Valves (Set of 4) - 11651B-4 Compare $119.80 $89.99 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 up to 2010 Dodge Viper V-10 1.600 Dia .100 Longer Race Master Intake Valves (Set of 10) - 11645-10 Compare $315.02 $236.99 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 Ford Racing Cylinder Head 4.6L & 5.4L SOHC 36.0mm Race Master Exhaust Valve (Single) - 11637-1 Compare $32.15 $24.99 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 Ford 4.6L 34mm Diameter 117.35mm Length Race Master Exhaust Valves (Set of 8) - 11630-8 Compare $257.20 $192.99 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 VALVE-FD 4V R/M 38mm Bead Valve Lock (Single) - 11618B-1 Compare $32.15 $24.99 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 Ford 6.2L 53.5mm Dia Race Master Intake Valves (Set of 8) - 11610B-8 Compare $257.20 $192.99 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
