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COMP Cams Thumpr Retrofit Hydraulic Roller Camshafts 51-601-11 Camshaft, Tappet, Advertised Duration 291/311, Lift .522/.508, Pontiac, V-8, Kit

SKU: CCA51-601-11

Camshafts

COMP Cams Thumpr Retrofit Hydraulic Roller Camshafts 51-601-11 Camshaft, Tappet, Advertised Duration 291/311, Lift .522/.508, Pontiac, V-8, Kit

SKU: CCA51-601-11

Camshafts
A$1,314.33
Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.
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Description

Mutha' Thumpr 235/249 Hydraulic Roller for Pontiac 265-455. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, Gears and headers, rough idle. Distributor Gear upgrade required.

Application Summary

Pontiac 265-455 V8

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-16 13:06:22

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
51-601-11
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Thumpr Retrofit Hydraulic Roller Camshafts
Product Attributes - UPC
036584313038
Product Attributes - Cam Style
Hydraulic roller, Retro-fit
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Camshaft Manufacturers Description
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers. Rough idle.
Product Attributes - Basic Operating RPM Range
2,000-5,800
Product Attributes - Intake Duration at 050 inch Lift
235
Product Attributes - Exhaust Duration at 050 inch Lift
249
Product Attributes - Duration at 050 inch Lift
235 int./249 exh.
Product Attributes - Advertised Intake Duration
291
Product Attributes - Advertised Exhaust Duration
311
Product Attributes - Advertised Duration
291 int./311 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.522 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.508 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.522 int./0.508 exh.
Product Attributes - Lobe Separation (degrees)
107
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
291THR7
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca51-601-11
SFX Item ID 4776884
Supplier Item Code 4776884
Manufacturer SKU 51-601-11
Manufacturer UPC N/A
Alternative References V-8

Compatibility

Pontiac 265-455 V8

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