Page 243 - VSI Master Catalog

HARD BLOK
• Hard Blok is tough as iron and has the right ratio of iron for heat expansion identical to your iron block and won’t shrink or pull away from the cylinder walls.
• Stays stable when exposed to water or high temperatures. Pre-measured short fill (12.5 lbs.) container to partially fill the jackets of your street or oval track engine, or tall fill (28 lbs.) container for competition drag engine.
HHS860212 Short Fill 12.5lbs HHS860228 Tall Fill 28lbs
PERFORMANCE BILLET ALUMINUM FLyWHEELS
• Hays Aluminum Flywheels, the favorite
PERFORMANCE BILLET STEEL FLyWHEELS
• Hays Billet Steel Flywheels are manufactured from certified billet material that will not shatter under the stress of high RPM and severe punishment of racing.
• Available in weights up to 50
pounds for specialized
applications, most Hays
Flywheels are drilled with both
the Borg & Beck and long-Style
clutch pattern. All flywheels are
precision balanced to either neutral (internal) or Detroit (external) specifications and are certified under SFI spec 1.1.
choice of many road racers, are also popular with the serious drag racer running a light car and large cubic inch motor.
• Machined from 7075 T-6 forged billet
aluminum, this high strength alloy surpasses
all material specs as to strength and centrifugal distortion.
• Features a replaceable steel or bronze heat shield friction surface and are drilled to accept either the Borg & Beck or Long-Style clutch pattern. The ring gear is securely mounted with welded tabs that are riveted to the fly wheel to prevent spinning. These flywheels are supplied in neutral (internal) balance or Detroit (external) balance and are certified under SFI spec 1.1.
year Application
86-93 Small Block 86-93 Small Journal 97-Up 5.7L V8 LS1
55-85 All V8 55-85 V8 Large
Bellhousing
55-85 V8 Except 400 & 454
63-85 All V8 70-78 400 70-90 454
64-76 V8 w/Large Bellhousing
62-78 340, 360 67-71 440
65-72 352, 390, 427, 428, 429, 460
65-80 289, 302, 351 C/W
Teeth Pressure Plate Pattern
Notes Wt.
1 30 1 30 30
2 25 2 30
2,3 40
2 30 1 30 1 30
2 30
2,8 30 2,8 30
2, 3, & 5 40 2 30
CHEVROLET
HAY20-130
HAY20-330 HAY20-235
55-85 V8 Large Bellhousing
63-85 All V8
70-90 454 168
BB/L/MkXII 12"
BB/L/MkXII BB/L/MkXII
BB/L/MkXII
BB/D/L BB/D/L
BB/D/MkXII
BB/L/MkXII
year Application Teeth
Pressure Plate Pattern
BB/D BB/L/MkXII
BB/D
BB/D BB/D/L
Notes Wt.
2 15
2 15 1 15
CHEVROLET
HAY10-530 HAY10-630 HAY10-730
HAY10-125 HAY10-130
HAY10-140
HAY10-330 HAY10-132 HAY10-235
PONTIAC
HAY13-130
MOPAR
HAY11-330 HAY11-430
FORD
HAY12-240 HAY12-430
153 BB/D 168 BB/D 168 Stock
168 BB/D 168 BB/D
168 BB/D
153 BB/D 168 BB/D 168 BB/D
166 BB/D
130 BB/D 143 BB/D
• The Three Finger Borg & Beck Style Pressure Plate is the most popular dual purpose clutch in the Hays line.
• Features a 3-roller assist for applications that adds 850 lbs. plate load at 6000 RPM, and are recommended for use in shifting up to 7000 RPM.
• Assembled with 12 premium quality
silicone springs, heavy-duty eye bolts, ductile iron pressure ring, and heavy-duty cover to provide all the necessary strength needed for high performance street or strip applications.
184 L/MarkXII 157 L
HAY30-012 HAY30-212
10.5” 2750 11” 2750
3 Roller 3 Roller
168
153
Footnotes
1) ”Detroit Balance” flywheel is externally balanced to stock (counter weighted) specs. 2) Neutral (zero) balanced flywheel for internal balancing.
3) Flywheel thicker than stock, may required bellhousing spacing.
STREET/STRIP CLUTCHES
Diam. Static
Pressure Assist
Footnotes
1) ”Detroit Balance” flywheel is externally balanced to stock (counter weighted) specs. 2) Neutral (zero) balanced flywheel for internal balancing.
3) Flywheel thicker than stock, may required bellhousing spacing.
Centrifugal
241