Drag Specialties :: Engine > Camshafts > THUNDERMAX CHAIN DRIVE CAMS BY RED SHIFT

THUNDERMAX CHAIN DRIVE CAMS BY RED SHIFT

The stroked crankshaft in 07-08 Twin Cam models changes the dynamic from previous Twin Cam 88 engines, making correct cam choice crucial to avoid enginedamaging detonation from today’s lessening fuel quality
Choose cam grind to match engine configuration
Ground from one-piece 8620 steel billets
Provide smooth, linear power with great valvetrain dynamics
Require adjustable pushrods
Great bolt-in upgrade for stock 96” or 110” engines in 07-08 Twin Cam
Increase torque and horsepower across the board
No headwork required
Strong performer for 07-08 103” conversion engines with flat-top pistons and stock 96” heads
Provide smooth power without detonation
Broader timing for lower cranking compression
No headwork required
Max torque grind for 07-08 larger displacement with heavy payload
Narrower timing for more low-end grunt
Work well with bagger exhaust
Headwork required
Max power grind for 07-08 larger-displacement engines
Broader timing for higher-compression engines
Complement high-flow heads, intake and exhaust
Headwork required

Part Number	Description	Suggested Retail
0925-0189	FOR: 07-08 Twin Cam, 96" and 110" Engines - 575S cams	$349.95
0925-0190	FOR: 07-08 Twin Cam, 103" Engines - 577S cams	$349.95
0925-0191	FOR: 07-08 Twin Cam, 107" and Larger Engines - 647S cams	$349.95
0925-0192	FOR: 07-08 Twin Cam, 113" Engines - 657S cams	$349.95

All numbers shown are calculated using stock (1.62”) rocker arm ratios. Recalculate if using higher rocker arm ratios.

This item appears on page 401 of the Fatbook