Roller Series Camshafts For SB Chevy ,VN\¶VUROOHUFDPVKDIWVDUHHQJLQHHUHGIRU/DWH0RGHOVDQG0RGL¿HGV
Advertised Duration
Duration @ .050"
Lobe Center
Part No.
Application
Grind
RPM Range
Valve Lift
Hot Lash
ISK201652 ISK201653 ISK201643
Dirt Late Models, 3/8-1/2 Mile Tracks Dirt Late Models, High Banked 1/2 Mile
RR-652 3800-7400 .650"/.645" .024"/.028" 286°/298° 256°/264° 106° RR-653 4000-7600 .650"/.645" .024"/.028" 290°/302° 260°/268° 106°
Dirt Late Models, Med. Bank 1/2 Mile Tracks RR-640 4200-7400
.640"
.028"/.028" 294°/302° 260°/268° 106°
Recommended Components For Use With Hydraulic Series Cams Lifters ISK202-HY Springs ISK205-D, ISK6005 Retainers ISK707-ST, ISK507-ST Locks ISKVL-11/32 For Use With Flat Tappet Series Cams Lifters ISK202-H Springs ISK6105, ISK235-D Retainers ISK507-ST, ISK707-STA Locks ISKVL-11/32 For Use With Roller Series Cams Lifters ISK1241-LSH Springs ISK9315 / ISK9365 Retainers ISK507-STA Locks ISKVL-11/32 Chevy Anti-Pump-Up Hydraulic Superlifters ISK202-HY Isky Superlifters allow use of a more radical hydraulic camshaft without loss of compression and horsepower from valves being left off of their VHDWV)LWVDOO&KHYUROHW9¶V6ROGLQVHWVRI Solid Lifters Hardenable iron and special oiling solid lifters for Chevy and Ford. Special oiling lifters have a .024" oil hole EDM-machined through the cam face for ex- WHQGHGFDPOLIH6ROGLQVHWVRI Part No. Description ISK202-H Chevrolet V-8, Hardenable Iron ISKSO202-H Chevrolet V-8, Special Oiling ISKSO382-H Ford V-8, Special Oiling ISK462-A Ford 2300cc 4 Cylinder EZ-Max Mechanical Roller Lifters EZ-Max lifters incorporate Epsi- lon-ZMAX TM solid bearing raceway material, an ultra-low-friction alterna- tive to needle bearings. Recommended for any application with over 400 lbs. seat and 1,100-1,400 lbs. open pressure. Sold in VHWVRI Part No. Description ISK1271LO185EZMAX* SB Chevrolet 262-400, .842" Dia., Aluminum Top “C”, (8) Centerline, (4) Each .185" LH And RH Offset
Endurance Plus Mechanical Roller Lifters Isky Endurance Plus roller lifters feature TruTrac needle roller bearings, a non-skid textured surface, premium 4340 VWHHOSLQVDQG³SDUDEROLFSUR¿OH´FURZQHGRXWHUEHDULQJ UDFHVIRUORQJWURXEOHIUHHOLIH6ROGLQVHWVRI Part No. Description ISK1241-LO-150 SB Chevrolet 262-400, .150" Offset, Steel Body With Aluminum Top ISK1241-LO-185 SB Chevrolet 262-400, .185" Offset, Steel Body With Aluminum Top ISK1241-LSH SB Chevrolet 262-400, Centerline, Steel Body With Aluminum Top Red-Zone Maximum Endurance Mechanical Roller Lifters Lifters are manufactured using Marathon roll- er bearings, which use larger diameter pins and thicker, shock-absorbing outer races for improved GXUDELOLW\/LIWHUVLQFOXGHVPRRWK¿QLVKHGDOOR\VWHHO ERGLHVWRUHSHOVFXI¿QJDQGDIXOOVSHFWUXPWKUHH SRLQWRLOLQJV\VWHP6HWVRI Part No. Description ISK1271-LSH SB Chevy, .842" Dia., Aluminum Top, Centerline WUHDWHG$YDLODEOHLQDQGVW\OHV7KH³6XSHU´ORFNVKDYH a precisely ground outside diameter to provide a more consistent installed height and are engineered for endurance oval track DSSOLFDWLRQV6ROGLQVHWVRISDLUV SLHFHV Part No. Description 7° Valve Locks ISKVL-11/32 For 11/32" Valve Stems, SB Chevy, SB Ford “Super 7°” Valve Locks ISKVL-700 For 11/32" Valve Stems, SB Chevy, SB Ford ISKVL-750 For 11/32" Valve Stems, +.050" Higher Installed Height, SB Chevy, SB Ford 10° Valve Locks ISKVL10-11/32 For 11/32" Valve Stems, SB Chevy, SB Ford Steel Valve Spring Retainers 4130 chrome moly steel retainers are ideal for most oval track applications. Sold LQVHWVRI ISK1271-LO-150 SB Chevy, .842" Dia., Aluminum Top, (8) Centerline, (4) Each .150" LH and RH Offset SB Chevy, .842" Dia., Aluminum Top, (8) Centerline, (4) Each .185" LH And RH Offset ISK1271-LO-185 Valve Locks Locks are machined from 4140 chrome moly bar stock and heat
SB Chevrolet 262-400, .842" Dia., Steel Body “A”, (8) Centerline, (4) Each .180" LH And RH Offset, Lightweight Version SB Chevrolet 262-400, .842" Dia., Steel Body “B”, (16) Centerline Ford 351 SVO, 289-302, Boss 302, .874" Dia., Steel Body “A”, (16) Centerline, Lightweight Version
ISK372LO180EZX*
ISK372RHEZX*
Part No.
Spring Application
ISK3972RHEZMAX
ISK275-ST ISK507-ST ISK507-STA ISK707-ST ISK707-STA
9315, 9365, 9365-SP, 9365, 9385, 9965, 9975, 9985, 9995
6005, 6105, 6205
* For extra tall blocks with raised lifter bosses.
6205, 8005-A
205-D
235-D, 295-D
436 2019-20 CIRCLE TRACK PARTS AND ACCESSORIES
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